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Finding the Fourth Proportional to 118,158.30, 177,236.53 and 29,411.20

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Solution

The fourth proportional to 118,158.30, 177,236.53 and 29,411.20 is: 44,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,158.30 : 177,236.53 = 29,411.20 : x
  2. Step 2: Convert to fraction form
    118,158.30/177,236.53 = 29,411.20/x
  3. Step 3: Cross multiply
    118,158.30x = 177,236.53 × 29,411.20
  4. Step 4: Simplify right side
    118,158.30x = 5,212,739,031.14
  5. Step 5: Solve for x
    x = 5,212,739,031.14/118,158.30
  6. Step 6: Final answer
    x = 44,116.57

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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.