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Finding the Fourth Proportional to 172,503.20, 238,041.48 and 97,037.12

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Solution

The fourth proportional to 172,503.20, 238,041.48 and 97,037.12 is: 133,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,503.20 : 238,041.48 = 97,037.12 : x
  2. Step 2: Convert to fraction form
    172,503.20/238,041.48 = 97,037.12/x
  3. Step 3: Cross multiply
    172,503.20x = 238,041.48 × 97,037.12
  4. Step 4: Simplify right side
    172,503.20x = 23,098,859,659.74
  5. Step 5: Solve for x
    x = 23,098,859,659.74/172,503.20
  6. Step 6: Final answer
    x = 133,903.95

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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.