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Finding the Fourth Proportional to 144,527.25, 216,878.37 and 61,421.25

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Solution

The fourth proportional to 144,527.25, 216,878.37 and 61,421.25 is: 92,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,527.25 : 216,878.37 = 61,421.25 : x
  2. Step 2: Convert to fraction form
    144,527.25/216,878.37 = 61,421.25/x
  3. Step 3: Cross multiply
    144,527.25x = 216,878.37 × 61,421.25
  4. Step 4: Simplify right side
    144,527.25x = 13,320,940,583.36
  5. Step 5: Solve for x
    x = 13,320,940,583.36/144,527.25
  6. Step 6: Final answer
    x = 92,169.06

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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.