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Finding the Fourth Proportional to 110,717.76, 152,790.93 and 60,416.76

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Solution

The fourth proportional to 110,717.76, 152,790.93 and 60,416.76 is: 83,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,717.76 : 152,790.93 = 60,416.76 : x
  2. Step 2: Convert to fraction form
    110,717.76/152,790.93 = 60,416.76/x
  3. Step 3: Cross multiply
    110,717.76x = 152,790.93 × 60,416.76
  4. Step 4: Simplify right side
    110,717.76x = 9,231,132,947.99
  5. Step 5: Solve for x
    x = 9,231,132,947.99/110,717.76
  6. Step 6: Final answer
    x = 83,375.36

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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.