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Finding the Fourth Proportional to 173,901.40, 260,657.70 and 74,044.60

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Solution

The fourth proportional to 173,901.40, 260,657.70 and 74,044.60 is: 110,984.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,901.40 : 260,657.70 = 74,044.60 : x
  2. Step 2: Convert to fraction form
    173,901.40/260,657.70 = 74,044.60/x
  3. Step 3: Cross multiply
    173,901.40x = 260,657.70 × 74,044.60
  4. Step 4: Simplify right side
    173,901.40x = 19,300,295,133.42
  5. Step 5: Solve for x
    x = 19,300,295,133.42/173,901.40
  6. Step 6: Final answer
    x = 110,984.13

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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.