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Finding the Fourth Proportional to 153,624.40, 230,436.60 and 136,711.60

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Solution

The fourth proportional to 153,624.40, 230,436.60 and 136,711.60 is: 205,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,624.40 : 230,436.60 = 136,711.60 : x
  2. Step 2: Convert to fraction form
    153,624.40/230,436.60 = 136,711.60/x
  3. Step 3: Cross multiply
    153,624.40x = 230,436.60 × 136,711.60
  4. Step 4: Simplify right side
    153,624.40x = 31,503,356,284.56
  5. Step 5: Solve for x
    x = 31,503,356,284.56/153,624.40
  6. Step 6: Final answer
    x = 205,067.40

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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.