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Finding the Fourth Proportional to 101,363.32, 139,884.30 and 56,044.23

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Solution

The fourth proportional to 101,363.32, 139,884.30 and 56,044.23 is: 77,342.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,363.32 : 139,884.30 = 56,044.23 : x
  2. Step 2: Convert to fraction form
    101,363.32/139,884.30 = 56,044.23/x
  3. Step 3: Cross multiply
    101,363.32x = 139,884.30 × 56,044.23
  4. Step 4: Simplify right side
    101,363.32x = 7,839,707,358.02
  5. Step 5: Solve for x
    x = 7,839,707,358.02/101,363.32
  6. Step 6: Final answer
    x = 77,342.64

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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.