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Finding the Fourth Proportional to 152,843.70, 229,265.55 and 99,699.60

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Solution

The fourth proportional to 152,843.70, 229,265.55 and 99,699.60 is: 149,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,843.70 : 229,265.55 = 99,699.60 : x
  2. Step 2: Convert to fraction form
    152,843.70/229,265.55 = 99,699.60/x
  3. Step 3: Cross multiply
    152,843.70x = 229,265.55 × 99,699.60
  4. Step 4: Simplify right side
    152,843.70x = 22,857,683,628.78
  5. Step 5: Solve for x
    x = 22,857,683,628.78/152,843.70
  6. Step 6: Final answer
    x = 149,549.40

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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.