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Finding the Fourth Proportional to 144,230.76, 215,967.60 and 101,881.80

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Solution

The fourth proportional to 144,230.76, 215,967.60 and 101,881.80 is: 152,555.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,230.76 : 215,967.60 = 101,881.80 : x
  2. Step 2: Convert to fraction form
    144,230.76/215,967.60 = 101,881.80/x
  3. Step 3: Cross multiply
    144,230.76x = 215,967.60 × 101,881.80
  4. Step 4: Simplify right side
    144,230.76x = 22,003,167,829.68
  5. Step 5: Solve for x
    x = 22,003,167,829.68/144,230.76
  6. Step 6: Final answer
    x = 152,555.31

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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.