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Finding the Fourth Proportional to 64,178.88, 88,565.56 and 35,501.04

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Solution

The fourth proportional to 64,178.88, 88,565.56 and 35,501.04 is: 48,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,178.88 : 88,565.56 = 35,501.04 : x
  2. Step 2: Convert to fraction form
    64,178.88/88,565.56 = 35,501.04/x
  3. Step 3: Cross multiply
    64,178.88x = 88,565.56 × 35,501.04
  4. Step 4: Simplify right side
    64,178.88x = 3,144,169,488.18
  5. Step 5: Solve for x
    x = 3,144,169,488.18/64,178.88
  6. Step 6: Final answer
    x = 48,990.72

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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.