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Finding the Fourth Proportional to 82,677.65, 114,151.48 and 55,494.45

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Solution

The fourth proportional to 82,677.65, 114,151.48 and 55,494.45 is: 76,620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,677.65 : 114,151.48 = 55,494.45 : x
  2. Step 2: Convert to fraction form
    82,677.65/114,151.48 = 55,494.45/x
  3. Step 3: Cross multiply
    82,677.65x = 114,151.48 × 55,494.45
  4. Step 4: Simplify right side
    82,677.65x = 6,334,773,460.55
  5. Step 5: Solve for x
    x = 6,334,773,460.55/82,677.65
  6. Step 6: Final answer
    x = 76,620.15

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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.