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Finding the Fourth Proportional to 167,260.83, 230,817.99 and 90,780.06

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Solution

The fourth proportional to 167,260.83, 230,817.99 and 90,780.06 is: 125,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,260.83 : 230,817.99 = 90,780.06 : x
  2. Step 2: Convert to fraction form
    167,260.83/230,817.99 = 90,780.06/x
  3. Step 3: Cross multiply
    167,260.83x = 230,817.99 × 90,780.06
  4. Step 4: Simplify right side
    167,260.83x = 20,953,670,981.28
  5. Step 5: Solve for x
    x = 20,953,670,981.28/167,260.83
  6. Step 6: Final answer
    x = 125,275.42

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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.