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Finding the Fourth Proportional to 157,404.20, 236,084.70 and 52,212.20

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Solution

The fourth proportional to 157,404.20, 236,084.70 and 52,212.20 is: 78,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,404.20 : 236,084.70 = 52,212.20 : x
  2. Step 2: Convert to fraction form
    157,404.20/236,084.70 = 52,212.20/x
  3. Step 3: Cross multiply
    157,404.20x = 236,084.70 × 52,212.20
  4. Step 4: Simplify right side
    157,404.20x = 12,326,501,573.34
  5. Step 5: Solve for x
    x = 12,326,501,573.34/157,404.20
  6. Step 6: Final answer
    x = 78,311.14

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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.