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Finding the Fourth Proportional to 212,260.60, 318,390.84 and 62,500.90

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Solution

The fourth proportional to 212,260.60, 318,390.84 and 62,500.90 is: 93,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,260.60 : 318,390.84 = 62,500.90 : x
  2. Step 2: Convert to fraction form
    212,260.60/318,390.84 = 62,500.90/x
  3. Step 3: Cross multiply
    212,260.60x = 318,390.84 × 62,500.90
  4. Step 4: Simplify right side
    212,260.60x = 19,899,714,051.76
  5. Step 5: Solve for x
    x = 19,899,714,051.76/212,260.60
  6. Step 6: Final answer
    x = 93,751.33

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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.