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Finding the Fourth Proportional to 238,688.84, 358,006.50 and 61,200.02

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Solution

The fourth proportional to 238,688.84, 358,006.50 and 61,200.02 is: 91,793.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,688.84 : 358,006.50 = 61,200.02 : x
  2. Step 2: Convert to fraction form
    238,688.84/358,006.50 = 61,200.02/x
  3. Step 3: Cross multiply
    238,688.84x = 358,006.50 × 61,200.02
  4. Step 4: Simplify right side
    238,688.84x = 21,910,003,170.10
  5. Step 5: Solve for x
    x = 21,910,003,170.10/238,688.84
  6. Step 6: Final answer
    x = 91,793.16

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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.