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Finding the Fourth Proportional to 101,127.62, 151,685.76 and 31,006.74

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Solution

The fourth proportional to 101,127.62, 151,685.76 and 31,006.74 is: 46,508.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,127.62 : 151,685.76 = 31,006.74 : x
  2. Step 2: Convert to fraction form
    101,127.62/151,685.76 = 31,006.74/x
  3. Step 3: Cross multiply
    101,127.62x = 151,685.76 × 31,006.74
  4. Step 4: Simplify right side
    101,127.62x = 4,703,280,922.02
  5. Step 5: Solve for x
    x = 4,703,280,922.02/101,127.62
  6. Step 6: Final answer
    x = 46,508.37

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1.5x scale

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.