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Finding the Fourth Proportional to 250,911.06, 375,874.51 and 145,508.59

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Solution

The fourth proportional to 250,911.06, 375,874.51 and 145,508.59 is: 217,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,911.06 : 375,874.51 = 145,508.59 : x
  2. Step 2: Convert to fraction form
    250,911.06/375,874.51 = 145,508.59/x
  3. Step 3: Cross multiply
    250,911.06x = 375,874.51 × 145,508.59
  4. Step 4: Simplify right side
    250,911.06x = 54,692,969,967.04
  5. Step 5: Solve for x
    x = 54,692,969,967.04/250,911.06
  6. Step 6: Final answer
    x = 217,977.52

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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.