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Finding the Fourth Proportional to 238,960,137.60, 358,440,206.40 and 238,960,137.60

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Solution

The fourth proportional to 238,960,137.60, 358,440,206.40 and 238,960,137.60 is: 358,440,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,960,137.60 : 358,440,206.40 = 238,960,137.60 : x
  2. Step 2: Convert to fraction form
    238,960,137.60/358,440,206.40 = 238,960,137.60/x
  3. Step 3: Cross multiply
    238,960,137.60x = 358,440,206.40 × 238,960,137.60
  4. Step 4: Simplify right side
    238,960,137.60x = 85,652,921,042,716,400
  5. Step 5: Solve for x
    x = 85,652,921,042,716,400/238,960,137.60
  6. Step 6: Final answer
    x = 358,440,206.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.