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Finding the Fourth Proportional to 162,391.80, 243,587.70 and 44,077.80

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Solution

The fourth proportional to 162,391.80, 243,587.70 and 44,077.80 is: 66,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,391.80 : 243,587.70 = 44,077.80 : x
  2. Step 2: Convert to fraction form
    162,391.80/243,587.70 = 44,077.80/x
  3. Step 3: Cross multiply
    162,391.80x = 243,587.70 × 44,077.80
  4. Step 4: Simplify right side
    162,391.80x = 10,736,809,923.06
  5. Step 5: Solve for x
    x = 10,736,809,923.06/162,391.80
  6. Step 6: Final answer
    x = 66,116.70

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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.