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Finding the Fourth Proportional to 90,773.65, 125,216.51 and 54,465.71

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Solution

The fourth proportional to 90,773.65, 125,216.51 and 54,465.71 is: 75,132.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,773.65 : 125,216.51 = 54,465.71 : x
  2. Step 2: Convert to fraction form
    90,773.65/125,216.51 = 54,465.71/x
  3. Step 3: Cross multiply
    90,773.65x = 125,216.51 × 54,465.71
  4. Step 4: Simplify right side
    90,773.65x = 6,820,005,222.46
  5. Step 5: Solve for x
    x = 6,820,005,222.46/90,773.65
  6. Step 6: Final answer
    x = 75,132.00

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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.