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Finding the Fourth Proportional to 110,701.68, 152,787.87 and 65,376.63

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Solution

The fourth proportional to 110,701.68, 152,787.87 and 65,376.63 is: 90,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,701.68 : 152,787.87 = 65,376.63 : x
  2. Step 2: Convert to fraction form
    110,701.68/152,787.87 = 65,376.63/x
  3. Step 3: Cross multiply
    110,701.68x = 152,787.87 × 65,376.63
  4. Step 4: Simplify right side
    110,701.68x = 9,988,756,045.48
  5. Step 5: Solve for x
    x = 9,988,756,045.48/110,701.68
  6. Step 6: Final answer
    x = 90,231.30

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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.