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Finding the Fourth Proportional to 115,364.30, 173,046.45 and 36,484.70

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Solution

The fourth proportional to 115,364.30, 173,046.45 and 36,484.70 is: 54,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,364.30 : 173,046.45 = 36,484.70 : x
  2. Step 2: Convert to fraction form
    115,364.30/173,046.45 = 36,484.70/x
  3. Step 3: Cross multiply
    115,364.30x = 173,046.45 × 36,484.70
  4. Step 4: Simplify right side
    115,364.30x = 6,313,547,814.32
  5. Step 5: Solve for x
    x = 6,313,547,814.32/115,364.30
  6. Step 6: Final answer
    x = 54,727.05

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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.