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Finding the Fourth Proportional to 98,473.69, 135,894.24 and 56,032.21

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Solution

The fourth proportional to 98,473.69, 135,894.24 and 56,032.21 is: 77,324.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,473.69 : 135,894.24 = 56,032.21 : x
  2. Step 2: Convert to fraction form
    98,473.69/135,894.24 = 56,032.21/x
  3. Step 3: Cross multiply
    98,473.69x = 135,894.24 × 56,032.21
  4. Step 4: Simplify right side
    98,473.69x = 7,614,454,593.47
  5. Step 5: Solve for x
    x = 7,614,454,593.47/98,473.69
  6. Step 6: Final answer
    x = 77,324.76

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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.