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Finding the Fourth Proportional to 168,031.30, 252,046.95 and 155,200.90

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Solution

The fourth proportional to 168,031.30, 252,046.95 and 155,200.90 is: 232,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,031.30 : 252,046.95 = 155,200.90 : x
  2. Step 2: Convert to fraction form
    168,031.30/252,046.95 = 155,200.90/x
  3. Step 3: Cross multiply
    168,031.30x = 252,046.95 × 155,200.90
  4. Step 4: Simplify right side
    168,031.30x = 39,117,913,482.26
  5. Step 5: Solve for x
    x = 39,117,913,482.26/168,031.30
  6. Step 6: Final answer
    x = 232,801.35

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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.