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Finding the Fourth Proportional to 314,786.81, 472,272.33 and 101,550.62

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Solution

The fourth proportional to 314,786.81, 472,272.33 and 101,550.62 is: 152,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,786.81 : 472,272.33 = 101,550.62 : x
  2. Step 2: Convert to fraction form
    314,786.81/472,272.33 = 101,550.62/x
  3. Step 3: Cross multiply
    314,786.81x = 472,272.33 × 101,550.62
  4. Step 4: Simplify right side
    314,786.81x = 47,959,547,920.34
  5. Step 5: Solve for x
    x = 47,959,547,920.34/314,786.81
  6. Step 6: Final answer
    x = 152,355.65

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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.