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Finding the Fourth Proportional to 238,800.84, 358,201.56 and 89,038.86

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Solution

The fourth proportional to 238,800.84, 358,201.56 and 89,038.86 is: 133,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,800.84 : 358,201.56 = 89,038.86 : x
  2. Step 2: Convert to fraction form
    238,800.84/358,201.56 = 89,038.86/x
  3. Step 3: Cross multiply
    238,800.84x = 358,201.56 × 89,038.86
  4. Step 4: Simplify right side
    238,800.84x = 31,893,858,552.62
  5. Step 5: Solve for x
    x = 31,893,858,552.62/238,800.84
  6. Step 6: Final answer
    x = 133,558.40

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1.5x scale

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.