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Finding the Fourth Proportional to 181,857.12, 272,748.41 and 114,358.20

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Solution

The fourth proportional to 181,857.12, 272,748.41 and 114,358.20 is: 171,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,857.12 : 272,748.41 = 114,358.20 : x
  2. Step 2: Convert to fraction form
    181,857.12/272,748.41 = 114,358.20/x
  3. Step 3: Cross multiply
    181,857.12x = 272,748.41 × 114,358.20
  4. Step 4: Simplify right side
    181,857.12x = 31,191,017,220.46
  5. Step 5: Solve for x
    x = 31,191,017,220.46/181,857.12
  6. Step 6: Final answer
    x = 171,513.86

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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.