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Finding the Fourth Proportional to 153,750.72, 230,728.68 and 53,910.84

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Solution

The fourth proportional to 153,750.72, 230,728.68 and 53,910.84 is: 80,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,750.72 : 230,728.68 = 53,910.84 : x
  2. Step 2: Convert to fraction form
    153,750.72/230,728.68 = 53,910.84/x
  3. Step 3: Cross multiply
    153,750.72x = 230,728.68 × 53,910.84
  4. Step 4: Simplify right side
    153,750.72x = 12,438,776,950.89
  5. Step 5: Solve for x
    x = 12,438,776,950.89/153,750.72
  6. Step 6: Final answer
    x = 80,902.24

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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.