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Finding the Fourth Proportional to 171,874.90, 257,812.35 and 160,210.90

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Solution

The fourth proportional to 171,874.90, 257,812.35 and 160,210.90 is: 240,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,874.90 : 257,812.35 = 160,210.90 : x
  2. Step 2: Convert to fraction form
    171,874.90/257,812.35 = 160,210.90/x
  3. Step 3: Cross multiply
    171,874.90x = 257,812.35 × 160,210.90
  4. Step 4: Simplify right side
    171,874.90x = 41,304,348,624.62
  5. Step 5: Solve for x
    x = 41,304,348,624.62/171,874.90
  6. Step 6: Final answer
    x = 240,316.35

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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.