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Finding the Fourth Proportional to 268,841.55, 370,998.52 and 147,980.24

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Solution

The fourth proportional to 268,841.55, 370,998.52 and 147,980.24 is: 204,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,841.55 : 370,998.52 = 147,980.24 : x
  2. Step 2: Convert to fraction form
    268,841.55/370,998.52 = 147,980.24/x
  3. Step 3: Cross multiply
    268,841.55x = 370,998.52 × 147,980.24
  4. Step 4: Simplify right side
    268,841.55x = 54,900,450,029.24
  5. Step 5: Solve for x
    x = 54,900,450,029.24/268,841.55
  6. Step 6: Final answer
    x = 204,211.18

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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.