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Finding the Fourth Proportional to 91,092.53, 125,707.95 and 50,808.87

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Solution

The fourth proportional to 91,092.53, 125,707.95 and 50,808.87 is: 70,116.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,092.53 : 125,707.95 = 50,808.87 : x
  2. Step 2: Convert to fraction form
    91,092.53/125,707.95 = 50,808.87/x
  3. Step 3: Cross multiply
    91,092.53x = 125,707.95 × 50,808.87
  4. Step 4: Simplify right side
    91,092.53x = 6,387,078,889.52
  5. Step 5: Solve for x
    x = 6,387,078,889.52/91,092.53
  6. Step 6: Final answer
    x = 70,116.38

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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.