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Finding the Fourth Proportional to 153,383.88, 230,074.46 and 39,531.40

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Solution

The fourth proportional to 153,383.88, 230,074.46 and 39,531.40 is: 59,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,383.88 : 230,074.46 = 39,531.40 : x
  2. Step 2: Convert to fraction form
    153,383.88/230,074.46 = 39,531.40/x
  3. Step 3: Cross multiply
    153,383.88x = 230,074.46 × 39,531.40
  4. Step 4: Simplify right side
    153,383.88x = 9,095,165,508.04
  5. Step 5: Solve for x
    x = 9,095,165,508.04/153,383.88
  6. Step 6: Final answer
    x = 59,296.75

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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.