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Finding the Fourth Proportional to 92,130.38, 137,522.70 and 79,066.70

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Solution

The fourth proportional to 92,130.38, 137,522.70 and 79,066.70 is: 118,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,130.38 : 137,522.70 = 79,066.70 : x
  2. Step 2: Convert to fraction form
    92,130.38/137,522.70 = 79,066.70/x
  3. Step 3: Cross multiply
    92,130.38x = 137,522.70 × 79,066.70
  4. Step 4: Simplify right side
    92,130.38x = 10,873,465,668.76
  5. Step 5: Solve for x
    x = 10,873,465,668.76/92,130.38
  6. Step 6: Final answer
    x = 118,022.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.