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Finding the Fourth Proportional to 92,092.63, 137,614.70 and 69,146.88

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Solution

The fourth proportional to 92,092.63, 137,614.70 and 69,146.88 is: 103,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,092.63 : 137,614.70 = 69,146.88 : x
  2. Step 2: Convert to fraction form
    92,092.63/137,614.70 = 69,146.88/x
  3. Step 3: Cross multiply
    92,092.63x = 137,614.70 × 69,146.88
  4. Step 4: Simplify right side
    92,092.63x = 9,515,626,801.40
  5. Step 5: Solve for x
    x = 9,515,626,801.40/92,092.63
  6. Step 6: Final answer
    x = 103,326.69

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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.