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Finding the Fourth Proportional to 84,368.76, 116,425.20 and 48,559.92

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Solution

The fourth proportional to 84,368.76, 116,425.20 and 48,559.92 is: 67,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,368.76 : 116,425.20 = 48,559.92 : x
  2. Step 2: Convert to fraction form
    84,368.76/116,425.20 = 48,559.92/x
  3. Step 3: Cross multiply
    84,368.76x = 116,425.20 × 48,559.92
  4. Step 4: Simplify right side
    84,368.76x = 5,653,598,397.98
  5. Step 5: Solve for x
    x = 5,653,598,397.98/84,368.76
  6. Step 6: Final answer
    x = 67,010.57

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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.