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Finding the Fourth Proportional to 173,011.32, 259,290.90 and 88,700.04

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Solution

The fourth proportional to 173,011.32, 259,290.90 and 88,700.04 is: 132,934.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,011.32 : 259,290.90 = 88,700.04 : x
  2. Step 2: Convert to fraction form
    173,011.32/259,290.90 = 88,700.04/x
  3. Step 3: Cross multiply
    173,011.32x = 259,290.90 × 88,700.04
  4. Step 4: Simplify right side
    173,011.32x = 22,999,113,201.64
  5. Step 5: Solve for x
    x = 22,999,113,201.64/173,011.32
  6. Step 6: Final answer
    x = 132,934.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.