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Finding the Fourth Proportional to 245,966.70, 369,036.45 and 88,200.30

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Solution

The fourth proportional to 245,966.70, 369,036.45 and 88,200.30 is: 132,331.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,966.70 : 369,036.45 = 88,200.30 : x
  2. Step 2: Convert to fraction form
    245,966.70/369,036.45 = 88,200.30/x
  3. Step 3: Cross multiply
    245,966.70x = 369,036.45 × 88,200.30
  4. Step 4: Simplify right side
    245,966.70x = 32,549,125,600.94
  5. Step 5: Solve for x
    x = 32,549,125,600.94/245,966.70
  6. Step 6: Final answer
    x = 132,331.43

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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.