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Finding the Fourth Proportional to 110,635.28, 152,689.80 and 62,895.80

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Solution

The fourth proportional to 110,635.28, 152,689.80 and 62,895.80 is: 86,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,635.28 : 152,689.80 = 62,895.80 : x
  2. Step 2: Convert to fraction form
    110,635.28/152,689.80 = 62,895.80/x
  3. Step 3: Cross multiply
    110,635.28x = 152,689.80 × 62,895.80
  4. Step 4: Simplify right side
    110,635.28x = 9,603,547,122.84
  5. Step 5: Solve for x
    x = 9,603,547,122.84/110,635.28
  6. Step 6: Final answer
    x = 86,803.66

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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.