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Finding the Fourth Proportional to 83,070.60, 114,637.60 and 45,344.84

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Solution

The fourth proportional to 83,070.60, 114,637.60 and 45,344.84 is: 62,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,070.60 : 114,637.60 = 45,344.84 : x
  2. Step 2: Convert to fraction form
    83,070.60/114,637.60 = 45,344.84/x
  3. Step 3: Cross multiply
    83,070.60x = 114,637.60 × 45,344.84
  4. Step 4: Simplify right side
    83,070.60x = 5,198,223,629.98
  5. Step 5: Solve for x
    x = 5,198,223,629.98/83,070.60
  6. Step 6: Final answer
    x = 62,575.97

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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.