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Finding the Fourth Proportional to 324,688.06, 487,030.46 and 88,030.36

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Solution

The fourth proportional to 324,688.06, 487,030.46 and 88,030.36 is: 132,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,688.06 : 487,030.46 = 88,030.36 : x
  2. Step 2: Convert to fraction form
    324,688.06/487,030.46 = 88,030.36/x
  3. Step 3: Cross multiply
    324,688.06x = 487,030.46 × 88,030.36
  4. Step 4: Simplify right side
    324,688.06x = 42,873,466,724.77
  5. Step 5: Solve for x
    x = 42,873,466,724.77/324,688.06
  6. Step 6: Final answer
    x = 132,045.10

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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.