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Finding the Fourth Proportional to 91,700.01, 126,551.24 and 51,411.83

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Solution

The fourth proportional to 91,700.01, 126,551.24 and 51,411.83 is: 70,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,700.01 : 126,551.24 = 51,411.83 : x
  2. Step 2: Convert to fraction form
    91,700.01/126,551.24 = 51,411.83/x
  3. Step 3: Cross multiply
    91,700.01x = 126,551.24 × 51,411.83
  4. Step 4: Simplify right side
    91,700.01x = 6,506,229,947.35
  5. Step 5: Solve for x
    x = 6,506,229,947.35/91,700.01
  6. Step 6: Final answer
    x = 70,951.25

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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.