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Finding the Fourth Proportional to 152,363.66, 210,287.49 and 88,739.24

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Solution

The fourth proportional to 152,363.66, 210,287.49 and 88,739.24 is: 122,475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,363.66 : 210,287.49 = 88,739.24 : x
  2. Step 2: Convert to fraction form
    152,363.66/210,287.49 = 88,739.24/x
  3. Step 3: Cross multiply
    152,363.66x = 210,287.49 × 88,739.24
  4. Step 4: Simplify right side
    152,363.66x = 18,660,752,044.11
  5. Step 5: Solve for x
    x = 18,660,752,044.11/152,363.66
  6. Step 6: Final answer
    x = 122,475.08

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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.