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Finding the Fourth Proportional to 60,164.74, 90,148.47 and 42,603.04

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Solution

The fourth proportional to 60,164.74, 90,148.47 and 42,603.04 is: 63,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,164.74 : 90,148.47 = 42,603.04 : x
  2. Step 2: Convert to fraction form
    60,164.74/90,148.47 = 42,603.04/x
  3. Step 3: Cross multiply
    60,164.74x = 90,148.47 × 42,603.04
  4. Step 4: Simplify right side
    60,164.74x = 3,840,598,873.35
  5. Step 5: Solve for x
    x = 3,840,598,873.35/60,164.74
  6. Step 6: Final answer
    x = 63,834.71

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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.