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Finding the Fourth Proportional to 115,547.80, 173,321.70 and 95,848.60

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Solution

The fourth proportional to 115,547.80, 173,321.70 and 95,848.60 is: 143,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,547.80 : 173,321.70 = 95,848.60 : x
  2. Step 2: Convert to fraction form
    115,547.80/173,321.70 = 95,848.60/x
  3. Step 3: Cross multiply
    115,547.80x = 173,321.70 × 95,848.60
  4. Step 4: Simplify right side
    115,547.80x = 16,612,642,294.62
  5. Step 5: Solve for x
    x = 16,612,642,294.62/115,547.80
  6. Step 6: Final answer
    x = 143,772.90

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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.