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Finding the Fourth Proportional to 144,244, 216,393.90 and 44,386.48

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Solution

The fourth proportional to 144,244, 216,393.90 and 44,386.48 is: 66,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,244 : 216,393.90 = 44,386.48 : x
  2. Step 2: Convert to fraction form
    144,244/216,393.90 = 44,386.48/x
  3. Step 3: Cross multiply
    144,244x = 216,393.90 × 44,386.48
  4. Step 4: Simplify right side
    144,244x = 9,604,963,514.47
  5. Step 5: Solve for x
    x = 9,604,963,514.47/144,244
  6. Step 6: Final answer
    x = 66,588.31

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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.