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Finding the Fourth Proportional to 115,775.84, 173,660.52 and 36,894.80

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Solution

The fourth proportional to 115,775.84, 173,660.52 and 36,894.80 is: 55,341.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,775.84 : 173,660.52 = 36,894.80 : x
  2. Step 2: Convert to fraction form
    115,775.84/173,660.52 = 36,894.80/x
  3. Step 3: Cross multiply
    115,775.84x = 173,660.52 × 36,894.80
  4. Step 4: Simplify right side
    115,775.84x = 6,407,170,153.30
  5. Step 5: Solve for x
    x = 6,407,170,153.30/115,775.84
  6. Step 6: Final answer
    x = 55,341.17

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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.