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Finding the Fourth Proportional to 162,151.65, 243,240.42 and 56,994.21

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Solution

The fourth proportional to 162,151.65, 243,240.42 and 56,994.21 is: 85,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,151.65 : 243,240.42 = 56,994.21 : x
  2. Step 2: Convert to fraction form
    162,151.65/243,240.42 = 56,994.21/x
  3. Step 3: Cross multiply
    162,151.65x = 243,240.42 × 56,994.21
  4. Step 4: Simplify right side
    162,151.65x = 13,863,295,577.97
  5. Step 5: Solve for x
    x = 13,863,295,577.97/162,151.65
  6. Step 6: Final answer
    x = 85,495.87

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1.5x scale

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.