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Finding the Fourth Proportional to 207,264.90, 310,897.35 and 67,037.70

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Solution

The fourth proportional to 207,264.90, 310,897.35 and 67,037.70 is: 100,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,264.90 : 310,897.35 = 67,037.70 : x
  2. Step 2: Convert to fraction form
    207,264.90/310,897.35 = 67,037.70/x
  3. Step 3: Cross multiply
    207,264.90x = 310,897.35 × 67,037.70
  4. Step 4: Simplify right side
    207,264.90x = 20,841,843,280.10
  5. Step 5: Solve for x
    x = 20,841,843,280.10/207,264.90
  6. Step 6: Final answer
    x = 100,556.55

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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.