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Finding the Fourth Proportional to 234,928.74, 352,389.96 and 57,437.28

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Solution

The fourth proportional to 234,928.74, 352,389.96 and 57,437.28 is: 86,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,928.74 : 352,389.96 = 57,437.28 : x
  2. Step 2: Convert to fraction form
    234,928.74/352,389.96 = 57,437.28/x
  3. Step 3: Cross multiply
    234,928.74x = 352,389.96 × 57,437.28
  4. Step 4: Simplify right side
    234,928.74x = 20,240,320,801.71
  5. Step 5: Solve for x
    x = 20,240,320,801.71/234,928.74
  6. Step 6: Final answer
    x = 86,155.15

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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.