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Finding the Fourth Proportional to 238,461.30, 357,636.44 and 88,772.10

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Solution

The fourth proportional to 238,461.30, 357,636.44 and 88,772.10 is: 133,137.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,461.30 : 357,636.44 = 88,772.10 : x
  2. Step 2: Convert to fraction form
    238,461.30/357,636.44 = 88,772.10/x
  3. Step 3: Cross multiply
    238,461.30x = 357,636.44 × 88,772.10
  4. Step 4: Simplify right side
    238,461.30x = 31,748,137,815.32
  5. Step 5: Solve for x
    x = 31,748,137,815.32/238,461.30
  6. Step 6: Final answer
    x = 133,137.49

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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.