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Finding the Fourth Proportional to 169,980.72, 234,563.76 and 94,527.60

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Solution

The fourth proportional to 169,980.72, 234,563.76 and 94,527.60 is: 130,442.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,980.72 : 234,563.76 = 94,527.60 : x
  2. Step 2: Convert to fraction form
    169,980.72/234,563.76 = 94,527.60/x
  3. Step 3: Cross multiply
    169,980.72x = 234,563.76 × 94,527.60
  4. Step 4: Simplify right side
    169,980.72x = 22,172,749,279.78
  5. Step 5: Solve for x
    x = 22,172,749,279.78/169,980.72
  6. Step 6: Final answer
    x = 130,442.73

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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.