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Finding the Fourth Proportional to 83,176.96, 114,744.24 and 60,480.76

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Solution

The fourth proportional to 83,176.96, 114,744.24 and 60,480.76 is: 83,434.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,176.96 : 114,744.24 = 60,480.76 : x
  2. Step 2: Convert to fraction form
    83,176.96/114,744.24 = 60,480.76/x
  3. Step 3: Cross multiply
    83,176.96x = 114,744.24 × 60,480.76
  4. Step 4: Simplify right side
    83,176.96x = 6,939,818,840.82
  5. Step 5: Solve for x
    x = 6,939,818,840.82/83,176.96
  6. Step 6: Final answer
    x = 83,434.39

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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.