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Finding the Fourth Proportional to 76,937.99, 106,192.14 and 45,117.14

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Solution

The fourth proportional to 76,937.99, 106,192.14 and 45,117.14 is: 62,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,937.99 : 106,192.14 = 45,117.14 : x
  2. Step 2: Convert to fraction form
    76,937.99/106,192.14 = 45,117.14/x
  3. Step 3: Cross multiply
    76,937.99x = 106,192.14 × 45,117.14
  4. Step 4: Simplify right side
    76,937.99x = 4,791,085,647.28
  5. Step 5: Solve for x
    x = 4,791,085,647.28/76,937.99
  6. Step 6: Final answer
    x = 62,272.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.