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Finding the Fourth Proportional to 70,758.66, 97,644.18 and 38,925.66

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Solution

The fourth proportional to 70,758.66, 97,644.18 and 38,925.66 is: 53,715.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,758.66 : 97,644.18 = 38,925.66 : x
  2. Step 2: Convert to fraction form
    70,758.66/97,644.18 = 38,925.66/x
  3. Step 3: Cross multiply
    70,758.66x = 97,644.18 × 38,925.66
  4. Step 4: Simplify right side
    70,758.66x = 3,800,864,151.66
  5. Step 5: Solve for x
    x = 3,800,864,151.66/70,758.66
  6. Step 6: Final answer
    x = 53,715.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.