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Finding the Fourth Proportional to 136,088.34, 187,791.24 and 75,655.30

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Solution

The fourth proportional to 136,088.34, 187,791.24 and 75,655.30 is: 104,398.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,088.34 : 187,791.24 = 75,655.30 : x
  2. Step 2: Convert to fraction form
    136,088.34/187,791.24 = 75,655.30/x
  3. Step 3: Cross multiply
    136,088.34x = 187,791.24 × 75,655.30
  4. Step 4: Simplify right side
    136,088.34x = 14,207,402,599.57
  5. Step 5: Solve for x
    x = 14,207,402,599.57/136,088.34
  6. Step 6: Final answer
    x = 104,398.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.