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Finding the Fourth Proportional to 169,230,232.80, 253,853,643.60 and 88,608,664.80

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Solution

The fourth proportional to 169,230,232.80, 253,853,643.60 and 88,608,664.80 is: 132,917,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,230,232.80 : 253,853,643.60 = 88,608,664.80 : x
  2. Step 2: Convert to fraction form
    169,230,232.80/253,853,643.60 = 88,608,664.80/x
  3. Step 3: Cross multiply
    169,230,232.80x = 253,853,643.60 × 88,608,664.80
  4. Step 4: Simplify right side
    169,230,232.80x = 22,493,632,414,011,064
  5. Step 5: Solve for x
    x = 22,493,632,414,011,064/169,230,232.80
  6. Step 6: Final answer
    x = 132,917,340.13

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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.