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Finding the Fourth Proportional to 348,707.06, 522,878.88 and 124,034.88

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Solution

The fourth proportional to 348,707.06, 522,878.88 and 124,034.88 is: 185,987.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,707.06 : 522,878.88 = 124,034.88 : x
  2. Step 2: Convert to fraction form
    348,707.06/522,878.88 = 124,034.88/x
  3. Step 3: Cross multiply
    348,707.06x = 522,878.88 × 124,034.88
  4. Step 4: Simplify right side
    348,707.06x = 64,855,219,135.33
  5. Step 5: Solve for x
    x = 64,855,219,135.33/348,707.06
  6. Step 6: Final answer
    x = 185,987.69

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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.