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Finding the Fourth Proportional to 61,366.16, 91,937.99 and 28,114.04

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Solution

The fourth proportional to 61,366.16, 91,937.99 and 28,114.04 is: 42,120.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,366.16 : 91,937.99 = 28,114.04 : x
  2. Step 2: Convert to fraction form
    61,366.16/91,937.99 = 28,114.04/x
  3. Step 3: Cross multiply
    61,366.16x = 91,937.99 × 28,114.04
  4. Step 4: Simplify right side
    61,366.16x = 2,584,748,328.38
  5. Step 5: Solve for x
    x = 2,584,748,328.38/61,366.16
  6. Step 6: Final answer
    x = 42,120.09

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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.