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Finding the Fourth Proportional to 160,049.61, 220,849.65 and 88,425.36

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Solution

The fourth proportional to 160,049.61, 220,849.65 and 88,425.36 is: 122,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,049.61 : 220,849.65 = 88,425.36 : x
  2. Step 2: Convert to fraction form
    160,049.61/220,849.65 = 88,425.36/x
  3. Step 3: Cross multiply
    160,049.61x = 220,849.65 × 88,425.36
  4. Step 4: Simplify right side
    160,049.61x = 19,528,709,807.12
  5. Step 5: Solve for x
    x = 19,528,709,807.12/160,049.61
  6. Step 6: Final answer
    x = 122,016.60

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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.