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Finding the Fourth Proportional to 358,952.60, 538,331.70 and 106,232.60

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Solution

The fourth proportional to 358,952.60, 538,331.70 and 106,232.60 is: 159,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,952.60 : 538,331.70 = 106,232.60 : x
  2. Step 2: Convert to fraction form
    358,952.60/538,331.70 = 106,232.60/x
  3. Step 3: Cross multiply
    358,952.60x = 538,331.70 × 106,232.60
  4. Step 4: Simplify right side
    358,952.60x = 57,188,376,153.42
  5. Step 5: Solve for x
    x = 57,188,376,153.42/358,952.60
  6. Step 6: Final answer
    x = 159,320.13

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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.