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Finding the Fourth Proportional to 152,079.58, 209,895.86 and 88,454.28

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Solution

The fourth proportional to 152,079.58, 209,895.86 and 88,454.28 is: 122,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,079.58 : 209,895.86 = 88,454.28 : x
  2. Step 2: Convert to fraction form
    152,079.58/209,895.86 = 88,454.28/x
  3. Step 3: Cross multiply
    152,079.58x = 209,895.86 × 88,454.28
  4. Step 4: Simplify right side
    152,079.58x = 18,566,187,171.28
  5. Step 5: Solve for x
    x = 18,566,187,171.28/152,079.58
  6. Step 6: Final answer
    x = 122,082.05

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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.