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Finding the Fourth Proportional to 345,060.06, 517,695.72 and 176,699.59

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Solution

The fourth proportional to 345,060.06, 517,695.72 and 176,699.59 is: 265,103.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,060.06 : 517,695.72 = 176,699.59 : x
  2. Step 2: Convert to fraction form
    345,060.06/517,695.72 = 176,699.59/x
  3. Step 3: Cross multiply
    345,060.06x = 517,695.72 × 176,699.59
  4. Step 4: Simplify right side
    345,060.06x = 91,476,618,880.28
  5. Step 5: Solve for x
    x = 91,476,618,880.28/345,060.06
  6. Step 6: Final answer
    x = 265,103.47

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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.