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Finding the Fourth Proportional to 180,510.60, 270,762.66 and 73,871.40

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Solution

The fourth proportional to 180,510.60, 270,762.66 and 73,871.40 is: 110,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,510.60 : 270,762.66 = 73,871.40 : x
  2. Step 2: Convert to fraction form
    180,510.60/270,762.66 = 73,871.40/x
  3. Step 3: Cross multiply
    180,510.60x = 270,762.66 × 73,871.40
  4. Step 4: Simplify right side
    180,510.60x = 20,001,616,761.92
  5. Step 5: Solve for x
    x = 20,001,616,761.92/180,510.60
  6. Step 6: Final answer
    x = 110,805.77

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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.