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Finding the Fourth Proportional to 158,864.76, 219,152.31 and 101,443.71

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Solution

The fourth proportional to 158,864.76, 219,152.31 and 101,443.71 is: 139,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,864.76 : 219,152.31 = 101,443.71 : x
  2. Step 2: Convert to fraction form
    158,864.76/219,152.31 = 101,443.71/x
  3. Step 3: Cross multiply
    158,864.76x = 219,152.31 × 101,443.71
  4. Step 4: Simplify right side
    158,864.76x = 22,231,623,177.24
  5. Step 5: Solve for x
    x = 22,231,623,177.24/158,864.76
  6. Step 6: Final answer
    x = 139,940.56

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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.