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Finding the Fourth Proportional to 173,754.60, 260,756.34 and 73,984.80

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Solution

The fourth proportional to 173,754.60, 260,756.34 and 73,984.80 is: 111,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,754.60 : 260,756.34 = 73,984.80 : x
  2. Step 2: Convert to fraction form
    173,754.60/260,756.34 = 73,984.80/x
  3. Step 3: Cross multiply
    173,754.60x = 260,756.34 × 73,984.80
  4. Step 4: Simplify right side
    173,754.60x = 19,292,005,663.63
  5. Step 5: Solve for x
    x = 19,292,005,663.63/173,754.60
  6. Step 6: Final answer
    x = 111,030.19

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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.