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Finding the Fourth Proportional to 160,292.70, 221,205.87 and 88,670.88

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Solution

The fourth proportional to 160,292.70, 221,205.87 and 88,670.88 is: 122,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,292.70 : 221,205.87 = 88,670.88 : x
  2. Step 2: Convert to fraction form
    160,292.70/221,205.87 = 88,670.88/x
  3. Step 3: Cross multiply
    160,292.70x = 221,205.87 × 88,670.88
  4. Step 4: Simplify right side
    160,292.70x = 19,614,519,154.07
  5. Step 5: Solve for x
    x = 19,614,519,154.07/160,292.70
  6. Step 6: Final answer
    x = 122,366.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.