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Finding the Fourth Proportional to 174,008.96, 240,155.20 and 98,560

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Solution

The fourth proportional to 174,008.96, 240,155.20 and 98,560 is: 136,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,008.96 : 240,155.20 = 98,560 : x
  2. Step 2: Convert to fraction form
    174,008.96/240,155.20 = 98,560/x
  3. Step 3: Cross multiply
    174,008.96x = 240,155.20 × 98,560
  4. Step 4: Simplify right side
    174,008.96x = 23,669,696,512
  5. Step 5: Solve for x
    x = 23,669,696,512/174,008.96
  6. Step 6: Final answer
    x = 136,025.73

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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.