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Finding the Fourth Proportional to 160,000.20, 239,918.22 and 93,570.12

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Solution

The fourth proportional to 160,000.20, 239,918.22 and 93,570.12 is: 140,307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,000.20 : 239,918.22 = 93,570.12 : x
  2. Step 2: Convert to fraction form
    160,000.20/239,918.22 = 93,570.12/x
  3. Step 3: Cross multiply
    160,000.20x = 239,918.22 × 93,570.12
  4. Step 4: Simplify right side
    160,000.20x = 22,449,176,635.59
  5. Step 5: Solve for x
    x = 22,449,176,635.59/160,000.20
  6. Step 6: Final answer
    x = 140,307.18

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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.