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Finding the Fourth Proportional to 235,841.60, 353,746.20 and 75,915.20

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Solution

The fourth proportional to 235,841.60, 353,746.20 and 75,915.20 is: 113,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,841.60 : 353,746.20 = 75,915.20 : x
  2. Step 2: Convert to fraction form
    235,841.60/353,746.20 = 75,915.20/x
  3. Step 3: Cross multiply
    235,841.60x = 353,746.20 × 75,915.20
  4. Step 4: Simplify right side
    235,841.60x = 26,854,713,522.24
  5. Step 5: Solve for x
    x = 26,854,713,522.24/235,841.60
  6. Step 6: Final answer
    x = 113,867.59

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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.