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Finding the Fourth Proportional to 147,314.95, 203,294.64 and 80,246.95

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Solution

The fourth proportional to 147,314.95, 203,294.64 and 80,246.95 is: 110,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,314.95 : 203,294.64 = 80,246.95 : x
  2. Step 2: Convert to fraction form
    147,314.95/203,294.64 = 80,246.95/x
  3. Step 3: Cross multiply
    147,314.95x = 203,294.64 × 80,246.95
  4. Step 4: Simplify right side
    147,314.95x = 16,313,775,070.49
  5. Step 5: Solve for x
    x = 16,313,775,070.49/147,314.95
  6. Step 6: Final answer
    x = 110,740.80

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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.