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Finding the Fourth Proportional to 164,772.99, 247,159.35 and 142,520.22

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Solution

The fourth proportional to 164,772.99, 247,159.35 and 142,520.22 is: 213,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,772.99 : 247,159.35 = 142,520.22 : x
  2. Step 2: Convert to fraction form
    164,772.99/247,159.35 = 142,520.22/x
  3. Step 3: Cross multiply
    164,772.99x = 247,159.35 × 142,520.22
  4. Step 4: Simplify right side
    164,772.99x = 35,225,204,937.06
  5. Step 5: Solve for x
    x = 35,225,204,937.06/164,772.99
  6. Step 6: Final answer
    x = 213,780.21

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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.