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Finding the Fourth Proportional to 160,985.60, 241,478.40 and 158,220.80

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Solution

The fourth proportional to 160,985.60, 241,478.40 and 158,220.80 is: 237,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,985.60 : 241,478.40 = 158,220.80 : x
  2. Step 2: Convert to fraction form
    160,985.60/241,478.40 = 158,220.80/x
  3. Step 3: Cross multiply
    160,985.60x = 241,478.40 × 158,220.80
  4. Step 4: Simplify right side
    160,985.60x = 38,206,905,630.72
  5. Step 5: Solve for x
    x = 38,206,905,630.72/160,985.60
  6. Step 6: Final answer
    x = 237,331.20

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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.