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Finding the Fourth Proportional to 131,888.70, 197,670.75 and 75,010.34

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Solution

The fourth proportional to 131,888.70, 197,670.75 and 75,010.34 is: 112,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,888.70 : 197,670.75 = 75,010.34 : x
  2. Step 2: Convert to fraction form
    131,888.70/197,670.75 = 75,010.34/x
  3. Step 3: Cross multiply
    131,888.70x = 197,670.75 × 75,010.34
  4. Step 4: Simplify right side
    131,888.70x = 14,827,350,659.73
  5. Step 5: Solve for x
    x = 14,827,350,659.73/131,888.70
  6. Step 6: Final answer
    x = 112,423.21

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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.