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Finding the Fourth Proportional to 169,614.92, 254,423.26 and 99,445.03

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Solution

The fourth proportional to 169,614.92, 254,423.26 and 99,445.03 is: 149,168.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,614.92 : 254,423.26 = 99,445.03 : x
  2. Step 2: Convert to fraction form
    169,614.92/254,423.26 = 99,445.03/x
  3. Step 3: Cross multiply
    169,614.92x = 254,423.26 × 99,445.03
  4. Step 4: Simplify right side
    169,614.92x = 25,301,128,211.65
  5. Step 5: Solve for x
    x = 25,301,128,211.65/169,614.92
  6. Step 6: Final answer
    x = 149,168.06

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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.