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Finding the Fourth Proportional to 173,513.64, 239,484.42 and 101,931.24

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Solution

The fourth proportional to 173,513.64, 239,484.42 and 101,931.24 is: 140,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,513.64 : 239,484.42 = 101,931.24 : x
  2. Step 2: Convert to fraction form
    173,513.64/239,484.42 = 101,931.24/x
  3. Step 3: Cross multiply
    173,513.64x = 239,484.42 × 101,931.24
  4. Step 4: Simplify right side
    173,513.64x = 24,410,943,891.28
  5. Step 5: Solve for x
    x = 24,410,943,891.28/173,513.64
  6. Step 6: Final answer
    x = 140,686.02

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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.