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Finding the Fourth Proportional to 173,248.40, 259,872.60 and 170,915.60

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Solution

The fourth proportional to 173,248.40, 259,872.60 and 170,915.60 is: 256,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,248.40 : 259,872.60 = 170,915.60 : x
  2. Step 2: Convert to fraction form
    173,248.40/259,872.60 = 170,915.60/x
  3. Step 3: Cross multiply
    173,248.40x = 259,872.60 × 170,915.60
  4. Step 4: Simplify right side
    173,248.40x = 44,416,281,352.56
  5. Step 5: Solve for x
    x = 44,416,281,352.56/173,248.40
  6. Step 6: Final answer
    x = 256,373.40

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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.