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Finding the Fourth Proportional to 160,304.72, 240,512.32 and 71,619.44

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Solution

The fourth proportional to 160,304.72, 240,512.32 and 71,619.44 is: 107,453.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,304.72 : 240,512.32 = 71,619.44 : x
  2. Step 2: Convert to fraction form
    160,304.72/240,512.32 = 71,619.44/x
  3. Step 3: Cross multiply
    160,304.72x = 240,512.32 × 71,619.44
  4. Step 4: Simplify right side
    160,304.72x = 17,225,357,671.50
  5. Step 5: Solve for x
    x = 17,225,357,671.50/160,304.72
  6. Step 6: Final answer
    x = 107,453.84

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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.