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Finding the Fourth Proportional to 73,032.68, 109,020.68 and 64,175.32

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Solution

The fourth proportional to 73,032.68, 109,020.68 and 64,175.32 is: 95,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,032.68 : 109,020.68 = 64,175.32 : x
  2. Step 2: Convert to fraction form
    73,032.68/109,020.68 = 64,175.32/x
  3. Step 3: Cross multiply
    73,032.68x = 109,020.68 × 64,175.32
  4. Step 4: Simplify right side
    73,032.68x = 6,996,437,025.62
  5. Step 5: Solve for x
    x = 6,996,437,025.62/73,032.68
  6. Step 6: Final answer
    x = 95,798.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.