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Finding the Fourth Proportional to 173,901.74, 260,951.32 and 74,051.52

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Solution

The fourth proportional to 173,901.74, 260,951.32 and 74,051.52 is: 111,119.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,901.74 : 260,951.32 = 74,051.52 : x
  2. Step 2: Convert to fraction form
    173,901.74/260,951.32 = 74,051.52/x
  3. Step 3: Cross multiply
    173,901.74x = 260,951.32 × 74,051.52
  4. Step 4: Simplify right side
    173,901.74x = 19,323,841,006.00
  5. Step 5: Solve for x
    x = 19,323,841,006.00/173,901.74
  6. Step 6: Final answer
    x = 111,119.31

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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.