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Finding the Fourth Proportional to 212,203.92, 318,256.51 and 62,404.14

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Solution

The fourth proportional to 212,203.92, 318,256.51 and 62,404.14 is: 93,591.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,203.92 : 318,256.51 = 62,404.14 : x
  2. Step 2: Convert to fraction form
    212,203.92/318,256.51 = 62,404.14/x
  3. Step 3: Cross multiply
    212,203.92x = 318,256.51 × 62,404.14
  4. Step 4: Simplify right side
    212,203.92x = 19,860,523,805.95
  5. Step 5: Solve for x
    x = 19,860,523,805.95/212,203.92
  6. Step 6: Final answer
    x = 93,591.69

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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.