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Finding the Fourth Proportional to 152,868.80, 229,108.80 and 73,812.80

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Solution

The fourth proportional to 152,868.80, 229,108.80 and 73,812.80 is: 110,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,868.80 : 229,108.80 = 73,812.80 : x
  2. Step 2: Convert to fraction form
    152,868.80/229,108.80 = 73,812.80/x
  3. Step 3: Cross multiply
    152,868.80x = 229,108.80 × 73,812.80
  4. Step 4: Simplify right side
    152,868.80x = 16,911,162,032.64
  5. Step 5: Solve for x
    x = 16,911,162,032.64/152,868.80
  6. Step 6: Final answer
    x = 110,625.33

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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.