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Finding the Fourth Proportional to 123,948.77, 187,030.97 and 123,948.77

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Solution

The fourth proportional to 123,948.77, 187,030.97 and 123,948.77 is: 187,030.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,948.77 : 187,030.97 = 123,948.77 : x
  2. Step 2: Convert to fraction form
    123,948.77/187,030.97 = 123,948.77/x
  3. Step 3: Cross multiply
    123,948.77x = 187,030.97 × 123,948.77
  4. Step 4: Simplify right side
    123,948.77x = 23,182,257,593.32
  5. Step 5: Solve for x
    x = 23,182,257,593.32/123,948.77
  6. Step 6: Final answer
    x = 187,030.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.