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Finding the Fourth Proportional to 98,596.48, 136,061.12 and 55,575.68

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Solution

The fourth proportional to 98,596.48, 136,061.12 and 55,575.68 is: 76,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,596.48 : 136,061.12 = 55,575.68 : x
  2. Step 2: Convert to fraction form
    98,596.48/136,061.12 = 55,575.68/x
  3. Step 3: Cross multiply
    98,596.48x = 136,061.12 × 55,575.68
  4. Step 4: Simplify right side
    98,596.48x = 7,561,689,265.56
  5. Step 5: Solve for x
    x = 7,561,689,265.56/98,596.48
  6. Step 6: Final answer
    x = 76,693.30

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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.