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Finding the Fourth Proportional to 154,898.52, 232,320.94 and 42,551.96

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Solution

The fourth proportional to 154,898.52, 232,320.94 and 42,551.96 is: 63,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,898.52 : 232,320.94 = 42,551.96 : x
  2. Step 2: Convert to fraction form
    154,898.52/232,320.94 = 42,551.96/x
  3. Step 3: Cross multiply
    154,898.52x = 232,320.94 × 42,551.96
  4. Step 4: Simplify right side
    154,898.52x = 9,885,711,346.04
  5. Step 5: Solve for x
    x = 9,885,711,346.04/154,898.52
  6. Step 6: Final answer
    x = 63,820.57

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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.