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Finding the Fourth Proportional to 312,671.04, 469,034.23 and 88,033.40

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Solution

The fourth proportional to 312,671.04, 469,034.23 and 88,033.40 is: 132,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,671.04 : 469,034.23 = 88,033.40 : x
  2. Step 2: Convert to fraction form
    312,671.04/469,034.23 = 88,033.40/x
  3. Step 3: Cross multiply
    312,671.04x = 469,034.23 × 88,033.40
  4. Step 4: Simplify right side
    312,671.04x = 41,290,677,983.28
  5. Step 5: Solve for x
    x = 41,290,677,983.28/312,671.04
  6. Step 6: Final answer
    x = 132,057.89

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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.