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Finding the Fourth Proportional to 173,455.92, 239,355.92 and 105,463.52

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Solution

The fourth proportional to 173,455.92, 239,355.92 and 105,463.52 is: 145,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,455.92 : 239,355.92 = 105,463.52 : x
  2. Step 2: Convert to fraction form
    173,455.92/239,355.92 = 105,463.52/x
  3. Step 3: Cross multiply
    173,455.92x = 239,355.92 × 105,463.52
  4. Step 4: Simplify right side
    173,455.92x = 25,243,317,856.04
  5. Step 5: Solve for x
    x = 25,243,317,856.04/173,455.92
  6. Step 6: Final answer
    x = 145,531.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.