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Finding the Fourth Proportional to 168,117.16, 251,730.30 and 101,468.20

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Solution

The fourth proportional to 168,117.16, 251,730.30 and 101,468.20 is: 151,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,117.16 : 251,730.30 = 101,468.20 : x
  2. Step 2: Convert to fraction form
    168,117.16/251,730.30 = 101,468.20/x
  3. Step 3: Cross multiply
    168,117.16x = 251,730.30 × 101,468.20
  4. Step 4: Simplify right side
    168,117.16x = 25,542,620,426.46
  5. Step 5: Solve for x
    x = 25,542,620,426.46/168,117.16
  6. Step 6: Final answer
    x = 151,933.45

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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.