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Finding the Fourth Proportional to 162,707.10, 244,060.65 and 118,124.70

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Solution

The fourth proportional to 162,707.10, 244,060.65 and 118,124.70 is: 177,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,707.10 : 244,060.65 = 118,124.70 : x
  2. Step 2: Convert to fraction form
    162,707.10/244,060.65 = 118,124.70/x
  3. Step 3: Cross multiply
    162,707.10x = 244,060.65 × 118,124.70
  4. Step 4: Simplify right side
    162,707.10x = 28,829,591,063.06
  5. Step 5: Solve for x
    x = 28,829,591,063.06/162,707.10
  6. Step 6: Final answer
    x = 177,187.05

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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.