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Finding the Fourth Proportional to 144,602.80, 216,904.20 and 73,525.30

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Solution

The fourth proportional to 144,602.80, 216,904.20 and 73,525.30 is: 110,287.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,602.80 : 216,904.20 = 73,525.30 : x
  2. Step 2: Convert to fraction form
    144,602.80/216,904.20 = 73,525.30/x
  3. Step 3: Cross multiply
    144,602.80x = 216,904.20 × 73,525.30
  4. Step 4: Simplify right side
    144,602.80x = 15,947,946,376.26
  5. Step 5: Solve for x
    x = 15,947,946,376.26/144,602.80
  6. Step 6: Final answer
    x = 110,287.95

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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.