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Finding the Fourth Proportional to 147,575.97, 203,636.30 and 83,037.20

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Solution

The fourth proportional to 147,575.97, 203,636.30 and 83,037.20 is: 114,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,575.97 : 203,636.30 = 83,037.20 : x
  2. Step 2: Convert to fraction form
    147,575.97/203,636.30 = 83,037.20/x
  3. Step 3: Cross multiply
    147,575.97x = 203,636.30 × 83,037.20
  4. Step 4: Simplify right side
    147,575.97x = 16,909,386,736.99
  5. Step 5: Solve for x
    x = 16,909,386,736.99/147,575.97
  6. Step 6: Final answer
    x = 114,580.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.