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Finding the Fourth Proportional to 216,895.60, 325,080.96 and 98,447.68

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Solution

The fourth proportional to 216,895.60, 325,080.96 and 98,447.68 is: 147,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,895.60 : 325,080.96 = 98,447.68 : x
  2. Step 2: Convert to fraction form
    216,895.60/325,080.96 = 98,447.68/x
  3. Step 3: Cross multiply
    216,895.60x = 325,080.96 × 98,447.68
  4. Step 4: Simplify right side
    216,895.60x = 32,003,466,324.17
  5. Step 5: Solve for x
    x = 32,003,466,324.17/216,895.60
  6. Step 6: Final answer
    x = 147,552.40

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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.