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Finding the Fourth Proportional to 160,411.60, 240,617.40 and 123,086.80

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Solution

The fourth proportional to 160,411.60, 240,617.40 and 123,086.80 is: 184,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,411.60 : 240,617.40 = 123,086.80 : x
  2. Step 2: Convert to fraction form
    160,411.60/240,617.40 = 123,086.80/x
  3. Step 3: Cross multiply
    160,411.60x = 240,617.40 × 123,086.80
  4. Step 4: Simplify right side
    160,411.60x = 29,616,825,790.32
  5. Step 5: Solve for x
    x = 29,616,825,790.32/160,411.60
  6. Step 6: Final answer
    x = 184,630.20

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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.