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Finding the Fourth Proportional to 76,498.80, 114,233.10 and 62,486.82

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Solution

The fourth proportional to 76,498.80, 114,233.10 and 62,486.82 is: 93,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,498.80 : 114,233.10 = 62,486.82 : x
  2. Step 2: Convert to fraction form
    76,498.80/114,233.10 = 62,486.82/x
  3. Step 3: Cross multiply
    76,498.80x = 114,233.10 × 62,486.82
  4. Step 4: Simplify right side
    76,498.80x = 7,138,063,157.74
  5. Step 5: Solve for x
    x = 7,138,063,157.74/76,498.80
  6. Step 6: Final answer
    x = 93,309.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.