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Finding the Fourth Proportional to 98,560.52, 136,013.94 and 53,849.48

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Solution

The fourth proportional to 98,560.52, 136,013.94 and 53,849.48 is: 74,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,560.52 : 136,013.94 = 53,849.48 : x
  2. Step 2: Convert to fraction form
    98,560.52/136,013.94 = 53,849.48/x
  3. Step 3: Cross multiply
    98,560.52x = 136,013.94 × 53,849.48
  4. Step 4: Simplify right side
    98,560.52x = 7,324,279,941.75
  5. Step 5: Solve for x
    x = 7,324,279,941.75/98,560.52
  6. Step 6: Final answer
    x = 74,312.51

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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.