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Finding the Fourth Proportional to 152,828.80, 229,048.80 and 73,772.80

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Solution

The fourth proportional to 152,828.80, 229,048.80 and 73,772.80 is: 110,565.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,828.80 : 229,048.80 = 73,772.80 : x
  2. Step 2: Convert to fraction form
    152,828.80/229,048.80 = 73,772.80/x
  3. Step 3: Cross multiply
    152,828.80x = 229,048.80 × 73,772.80
  4. Step 4: Simplify right side
    152,828.80x = 16,897,571,312.64
  5. Step 5: Solve for x
    x = 16,897,571,312.64/152,828.80
  6. Step 6: Final answer
    x = 110,565.36

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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.