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Finding the Fourth Proportional to 73,775.43, 101,921.13 and 48,342.24

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Solution

The fourth proportional to 73,775.43, 101,921.13 and 48,342.24 is: 66,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,775.43 : 101,921.13 = 48,342.24 : x
  2. Step 2: Convert to fraction form
    73,775.43/101,921.13 = 48,342.24/x
  3. Step 3: Cross multiply
    73,775.43x = 101,921.13 × 48,342.24
  4. Step 4: Simplify right side
    73,775.43x = 4,927,095,727.53
  5. Step 5: Solve for x
    x = 4,927,095,727.53/73,775.43
  6. Step 6: Final answer
    x = 66,785.05

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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.