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Finding the Fourth Proportional to 324,695.25, 487,041.66 and 88,037.28

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Solution

The fourth proportional to 324,695.25, 487,041.66 and 88,037.28 is: 132,055.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,695.25 : 487,041.66 = 88,037.28 : x
  2. Step 2: Convert to fraction form
    324,695.25/487,041.66 = 88,037.28/x
  3. Step 3: Cross multiply
    324,695.25x = 487,041.66 × 88,037.28
  4. Step 4: Simplify right side
    324,695.25x = 42,877,822,993.08
  5. Step 5: Solve for x
    x = 42,877,822,993.08/324,695.25
  6. Step 6: Final answer
    x = 132,055.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.