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Finding the Fourth Proportional to 177,279.10, 265,529.85 and 153,951.10

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Solution

The fourth proportional to 177,279.10, 265,529.85 and 153,951.10 is: 230,589.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,279.10 : 265,529.85 = 153,951.10 : x
  2. Step 2: Convert to fraction form
    177,279.10/265,529.85 = 153,951.10/x
  3. Step 3: Cross multiply
    177,279.10x = 265,529.85 × 153,951.10
  4. Step 4: Simplify right side
    177,279.10x = 40,878,612,490.34
  5. Step 5: Solve for x
    x = 40,878,612,490.34/177,279.10
  6. Step 6: Final answer
    x = 230,589.01

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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.