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Finding the Fourth Proportional to 62,064.18, 92,931.03 and 42,381.18

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Solution

The fourth proportional to 62,064.18, 92,931.03 and 42,381.18 is: 63,458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,064.18 : 92,931.03 = 42,381.18 : x
  2. Step 2: Convert to fraction form
    62,064.18/92,931.03 = 42,381.18/x
  3. Step 3: Cross multiply
    62,064.18x = 92,931.03 × 42,381.18
  4. Step 4: Simplify right side
    62,064.18x = 3,938,526,710.02
  5. Step 5: Solve for x
    x = 3,938,526,710.02/62,064.18
  6. Step 6: Final answer
    x = 63,458.93

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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.