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Finding the Fourth Proportional to 154,693.35, 232,040.21 and 42,374.53

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Solution

The fourth proportional to 154,693.35, 232,040.21 and 42,374.53 is: 63,561.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,693.35 : 232,040.21 = 42,374.53 : x
  2. Step 2: Convert to fraction form
    154,693.35/232,040.21 = 42,374.53/x
  3. Step 3: Cross multiply
    154,693.35x = 232,040.21 × 42,374.53
  4. Step 4: Simplify right side
    154,693.35x = 9,832,595,353.10
  5. Step 5: Solve for x
    x = 9,832,595,353.10/154,693.35
  6. Step 6: Final answer
    x = 63,561.85

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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.