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Finding the Fourth Proportional to 136,024.48, 187,724.24 and 75,600.08

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Solution

The fourth proportional to 136,024.48, 187,724.24 and 75,600.08 is: 104,333.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,024.48 : 187,724.24 = 75,600.08 : x
  2. Step 2: Convert to fraction form
    136,024.48/187,724.24 = 75,600.08/x
  3. Step 3: Cross multiply
    136,024.48x = 187,724.24 × 75,600.08
  4. Step 4: Simplify right side
    136,024.48x = 14,191,967,561.94
  5. Step 5: Solve for x
    x = 14,191,967,561.94/136,024.48
  6. Step 6: Final answer
    x = 104,333.92

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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.