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Finding the Fourth Proportional to 207,264.40, 310,896.60 and 67,037.20

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Solution

The fourth proportional to 207,264.40, 310,896.60 and 67,037.20 is: 100,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,264.40 : 310,896.60 = 67,037.20 : x
  2. Step 2: Convert to fraction form
    207,264.40/310,896.60 = 67,037.20/x
  3. Step 3: Cross multiply
    207,264.40x = 310,896.60 × 67,037.20
  4. Step 4: Simplify right side
    207,264.40x = 20,841,637,553.52
  5. Step 5: Solve for x
    x = 20,841,637,553.52/207,264.40
  6. Step 6: Final answer
    x = 100,555.80

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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.