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Finding the Fourth Proportional to 107,161.32, 160,671.06 and 47,915.40

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Solution

The fourth proportional to 107,161.32, 160,671.06 and 47,915.40 is: 71,841.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,161.32 : 160,671.06 = 47,915.40 : x
  2. Step 2: Convert to fraction form
    107,161.32/160,671.06 = 47,915.40/x
  3. Step 3: Cross multiply
    107,161.32x = 160,671.06 × 47,915.40
  4. Step 4: Simplify right side
    107,161.32x = 7,698,618,108.32
  5. Step 5: Solve for x
    x = 7,698,618,108.32/107,161.32
  6. Step 6: Final answer
    x = 71,841.39

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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.