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Finding the Fourth Proportional to 152,845.80, 229,268.70 and 99,701.70

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Solution

The fourth proportional to 152,845.80, 229,268.70 and 99,701.70 is: 149,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,845.80 : 229,268.70 = 99,701.70 : x
  2. Step 2: Convert to fraction form
    152,845.80/229,268.70 = 99,701.70/x
  3. Step 3: Cross multiply
    152,845.80x = 229,268.70 × 99,701.70
  4. Step 4: Simplify right side
    152,845.80x = 22,858,479,146.79
  5. Step 5: Solve for x
    x = 22,858,479,146.79/152,845.80
  6. Step 6: Final answer
    x = 149,552.55

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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.