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Finding the Fourth Proportional to 192,398.76, 265,510.17 and 107,515.62

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Solution

The fourth proportional to 192,398.76, 265,510.17 and 107,515.62 is: 148,371.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,398.76 : 265,510.17 = 107,515.62 : x
  2. Step 2: Convert to fraction form
    192,398.76/265,510.17 = 107,515.62/x
  3. Step 3: Cross multiply
    192,398.76x = 265,510.17 × 107,515.62
  4. Step 4: Simplify right side
    192,398.76x = 28,546,490,543.86
  5. Step 5: Solve for x
    x = 28,546,490,543.86/192,398.76
  6. Step 6: Final answer
    x = 148,371.49

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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.