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Finding the Fourth Proportional to 162,923.10, 244,384.65 and 118,340.70

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Solution

The fourth proportional to 162,923.10, 244,384.65 and 118,340.70 is: 177,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,923.10 : 244,384.65 = 118,340.70 : x
  2. Step 2: Convert to fraction form
    162,923.10/244,384.65 = 118,340.70/x
  3. Step 3: Cross multiply
    162,923.10x = 244,384.65 × 118,340.70
  4. Step 4: Simplify right side
    162,923.10x = 28,920,650,550.26
  5. Step 5: Solve for x
    x = 28,920,650,550.26/162,923.10
  6. Step 6: Final answer
    x = 177,511.05

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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.