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Finding the Fourth Proportional to 144,530.80, 216,828.60 and 44,695.60

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Solution

The fourth proportional to 144,530.80, 216,828.60 and 44,695.60 is: 67,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,530.80 : 216,828.60 = 44,695.60 : x
  2. Step 2: Convert to fraction form
    144,530.80/216,828.60 = 44,695.60/x
  3. Step 3: Cross multiply
    144,530.80x = 216,828.60 × 44,695.60
  4. Step 4: Simplify right side
    144,530.80x = 9,691,284,374.16
  5. Step 5: Solve for x
    x = 9,691,284,374.16/144,530.80
  6. Step 6: Final answer
    x = 67,053.42

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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.