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Finding the Fourth Proportional to 103,092.68, 154,376.58 and 67,925.72

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Solution

The fourth proportional to 103,092.68, 154,376.58 and 67,925.72 is: 101,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,092.68 : 154,376.58 = 67,925.72 : x
  2. Step 2: Convert to fraction form
    103,092.68/154,376.58 = 67,925.72/x
  3. Step 3: Cross multiply
    103,092.68x = 154,376.58 × 67,925.72
  4. Step 4: Simplify right side
    103,092.68x = 10,486,140,347.64
  5. Step 5: Solve for x
    x = 10,486,140,347.64/103,092.68
  6. Step 6: Final answer
    x = 101,715.66

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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.