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Finding the Fourth Proportional to 168,712.40, 253,068.60 and 160,936.40

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Solution

The fourth proportional to 168,712.40, 253,068.60 and 160,936.40 is: 241,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,712.40 : 253,068.60 = 160,936.40 : x
  2. Step 2: Convert to fraction form
    168,712.40/253,068.60 = 160,936.40/x
  3. Step 3: Cross multiply
    168,712.40x = 253,068.60 × 160,936.40
  4. Step 4: Simplify right side
    168,712.40x = 40,727,949,437.04
  5. Step 5: Solve for x
    x = 40,727,949,437.04/168,712.40
  6. Step 6: Final answer
    x = 241,404.60

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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.