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Finding the Fourth Proportional to 144,261.51, 216,393.89 and 44,420.91

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Solution

The fourth proportional to 144,261.51, 216,393.89 and 44,420.91 is: 66,631.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,261.51 : 216,393.89 = 44,420.91 : x
  2. Step 2: Convert to fraction form
    144,261.51/216,393.89 = 44,420.91/x
  3. Step 3: Cross multiply
    144,261.51x = 216,393.89 × 44,420.91
  4. Step 4: Simplify right side
    144,261.51x = 9,612,413,290.14
  5. Step 5: Solve for x
    x = 9,612,413,290.14/144,261.51
  6. Step 6: Final answer
    x = 66,631.86

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1.5x scale

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.