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Finding the Fourth Proportional to 162,916.20, 244,374.30 and 160,291.80

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Solution

The fourth proportional to 162,916.20, 244,374.30 and 160,291.80 is: 240,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,916.20 : 244,374.30 = 160,291.80 : x
  2. Step 2: Convert to fraction form
    162,916.20/244,374.30 = 160,291.80/x
  3. Step 3: Cross multiply
    162,916.20x = 244,374.30 × 160,291.80
  4. Step 4: Simplify right side
    162,916.20x = 39,171,196,420.74
  5. Step 5: Solve for x
    x = 39,171,196,420.74/162,916.20
  6. Step 6: Final answer
    x = 240,437.70

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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.