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Finding the Fourth Proportional to 295,124.30, 442,868.70 and 117,612.80

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Solution

The fourth proportional to 295,124.30, 442,868.70 and 117,612.80 is: 176,491.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,124.30 : 442,868.70 = 117,612.80 : x
  2. Step 2: Convert to fraction form
    295,124.30/442,868.70 = 117,612.80/x
  3. Step 3: Cross multiply
    295,124.30x = 442,868.70 × 117,612.80
  4. Step 4: Simplify right side
    295,124.30x = 52,087,027,839.36
  5. Step 5: Solve for x
    x = 52,087,027,839.36/295,124.30
  6. Step 6: Final answer
    x = 176,491.83

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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.