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Finding the Fourth Proportional to 144,419.58, 216,609.33 and 44,583.06

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Solution

The fourth proportional to 144,419.58, 216,609.33 and 44,583.06 is: 66,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,419.58 : 216,609.33 = 44,583.06 : x
  2. Step 2: Convert to fraction form
    144,419.58/216,609.33 = 44,583.06/x
  3. Step 3: Cross multiply
    144,419.58x = 216,609.33 × 44,583.06
  4. Step 4: Simplify right side
    144,419.58x = 9,657,106,755.95
  5. Step 5: Solve for x
    x = 9,657,106,755.95/144,419.58
  6. Step 6: Final answer
    x = 66,868.40

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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.