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Finding the Fourth Proportional to 170,248.76, 255,287.70 and 99,194.36

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Solution

The fourth proportional to 170,248.76, 255,287.70 and 99,194.36 is: 148,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,248.76 : 255,287.70 = 99,194.36 : x
  2. Step 2: Convert to fraction form
    170,248.76/255,287.70 = 99,194.36/x
  3. Step 3: Cross multiply
    170,248.76x = 255,287.70 × 99,194.36
  4. Step 4: Simplify right side
    170,248.76x = 25,323,100,017.37
  5. Step 5: Solve for x
    x = 25,323,100,017.37/170,248.76
  6. Step 6: Final answer
    x = 148,741.76

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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.