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Finding the Fourth Proportional to 173,404.80, 239,500.80 and 116,726.40

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Solution

The fourth proportional to 173,404.80, 239,500.80 and 116,726.40 is: 161,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,404.80 : 239,500.80 = 116,726.40 : x
  2. Step 2: Convert to fraction form
    173,404.80/239,500.80 = 116,726.40/x
  3. Step 3: Cross multiply
    173,404.80x = 239,500.80 × 116,726.40
  4. Step 4: Simplify right side
    173,404.80x = 27,956,066,181.12
  5. Step 5: Solve for x
    x = 27,956,066,181.12/173,404.80
  6. Step 6: Final answer
    x = 161,218.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.