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Finding the Fourth Proportional to 160,625.60, 240,938.40 and 131,465.60

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Solution

The fourth proportional to 160,625.60, 240,938.40 and 131,465.60 is: 197,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,625.60 : 240,938.40 = 131,465.60 : x
  2. Step 2: Convert to fraction form
    160,625.60/240,938.40 = 131,465.60/x
  3. Step 3: Cross multiply
    160,625.60x = 240,938.40 × 131,465.60
  4. Step 4: Simplify right side
    160,625.60x = 31,675,111,319.04
  5. Step 5: Solve for x
    x = 31,675,111,319.04/160,625.60
  6. Step 6: Final answer
    x = 197,198.40

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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.