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Finding the Fourth Proportional to 160,043.61, 220,841.36 and 88,419.36

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Solution

The fourth proportional to 160,043.61, 220,841.36 and 88,419.36 is: 122,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,043.61 : 220,841.36 = 88,419.36 : x
  2. Step 2: Convert to fraction form
    160,043.61/220,841.36 = 88,419.36/x
  3. Step 3: Cross multiply
    160,043.61x = 220,841.36 × 88,419.36
  4. Step 4: Simplify right side
    160,043.61x = 19,526,651,270.63
  5. Step 5: Solve for x
    x = 19,526,651,270.63/160,043.61
  6. Step 6: Final answer
    x = 122,008.32

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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.