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Finding the Fourth Proportional to 144,167.52, 216,297.56 and 69,293.10

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Solution

The fourth proportional to 144,167.52, 216,297.56 and 69,293.10 is: 103,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,167.52 : 216,297.56 = 69,293.10 : x
  2. Step 2: Convert to fraction form
    144,167.52/216,297.56 = 69,293.10/x
  3. Step 3: Cross multiply
    144,167.52x = 216,297.56 × 69,293.10
  4. Step 4: Simplify right side
    144,167.52x = 14,987,927,832.74
  5. Step 5: Solve for x
    x = 14,987,927,832.74/144,167.52
  6. Step 6: Final answer
    x = 103,961.89

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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.