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Finding the Fourth Proportional to 235,636.32, 353,454.48 and 67,160.16

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Solution

The fourth proportional to 235,636.32, 353,454.48 and 67,160.16 is: 100,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,636.32 : 353,454.48 = 67,160.16 : x
  2. Step 2: Convert to fraction form
    235,636.32/353,454.48 = 67,160.16/x
  3. Step 3: Cross multiply
    235,636.32x = 353,454.48 × 67,160.16
  4. Step 4: Simplify right side
    235,636.32x = 23,738,059,429.52
  5. Step 5: Solve for x
    x = 23,738,059,429.52/235,636.32
  6. Step 6: Final answer
    x = 100,740.24

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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.