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Finding the Fourth Proportional to 162,534, 224,297.46 and 90,909.42

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Solution

The fourth proportional to 162,534, 224,297.46 and 90,909.42 is: 125,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,534 : 224,297.46 = 90,909.42 : x
  2. Step 2: Convert to fraction form
    162,534/224,297.46 = 90,909.42/x
  3. Step 3: Cross multiply
    162,534x = 224,297.46 × 90,909.42
  4. Step 4: Simplify right side
    162,534x = 20,390,751,996.07
  5. Step 5: Solve for x
    x = 20,390,751,996.07/162,534
  6. Step 6: Final answer
    x = 125,455.30

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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.