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Finding the Fourth Proportional to 162,418.80, 224,207.04 and 98,777.04

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Solution

The fourth proportional to 162,418.80, 224,207.04 and 98,777.04 is: 136,354.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,418.80 : 224,207.04 = 98,777.04 : x
  2. Step 2: Convert to fraction form
    162,418.80/224,207.04 = 98,777.04/x
  3. Step 3: Cross multiply
    162,418.80x = 224,207.04 × 98,777.04
  4. Step 4: Simplify right side
    162,418.80x = 22,146,507,758.36
  5. Step 5: Solve for x
    x = 22,146,507,758.36/162,418.80
  6. Step 6: Final answer
    x = 136,354.34

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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.