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Finding the Fourth Proportional to 153,168.01, 229,752.11 and 47,995.21

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Solution

The fourth proportional to 153,168.01, 229,752.11 and 47,995.21 is: 71,992.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,168.01 : 229,752.11 = 47,995.21 : x
  2. Step 2: Convert to fraction form
    153,168.01/229,752.11 = 47,995.21/x
  3. Step 3: Cross multiply
    153,168.01x = 229,752.11 × 47,995.21
  4. Step 4: Simplify right side
    153,168.01x = 11,027,000,767.39
  5. Step 5: Solve for x
    x = 11,027,000,767.39/153,168.01
  6. Step 6: Final answer
    x = 71,992.84

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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.