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Finding the Fourth Proportional to 235,825.20, 353,737.80 and 164,966.40

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Solution

The fourth proportional to 235,825.20, 353,737.80 and 164,966.40 is: 247,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,825.20 : 353,737.80 = 164,966.40 : x
  2. Step 2: Convert to fraction form
    235,825.20/353,737.80 = 164,966.40/x
  3. Step 3: Cross multiply
    235,825.20x = 353,737.80 × 164,966.40
  4. Step 4: Simplify right side
    235,825.20x = 58,354,851,409.92
  5. Step 5: Solve for x
    x = 58,354,851,409.92/235,825.20
  6. Step 6: Final answer
    x = 247,449.60

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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.