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Finding the Fourth Proportional to 191,061.92, 263,675.04 and 106,186.88

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Solution

The fourth proportional to 191,061.92, 263,675.04 and 106,186.88 is: 146,543.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,061.92 : 263,675.04 = 106,186.88 : x
  2. Step 2: Convert to fraction form
    191,061.92/263,675.04 = 106,186.88/x
  3. Step 3: Cross multiply
    191,061.92x = 263,675.04 × 106,186.88
  4. Step 4: Simplify right side
    191,061.92x = 27,998,829,831.48
  5. Step 5: Solve for x
    x = 27,998,829,831.48/191,061.92
  6. Step 6: Final answer
    x = 146,543.22

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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.