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Finding the Fourth Proportional to 84,344.76, 116,300.82 and 57,502.92

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Solution

The fourth proportional to 84,344.76, 116,300.82 and 57,502.92 is: 79,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,344.76 : 116,300.82 = 57,502.92 : x
  2. Step 2: Convert to fraction form
    84,344.76/116,300.82 = 57,502.92/x
  3. Step 3: Cross multiply
    84,344.76x = 116,300.82 × 57,502.92
  4. Step 4: Simplify right side
    84,344.76x = 6,687,636,748.39
  5. Step 5: Solve for x
    x = 6,687,636,748.39/84,344.76
  6. Step 6: Final answer
    x = 79,289.30

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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.