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Finding the Fourth Proportional to 96,668.80, 144,938.40 and 44,051.20

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Solution

The fourth proportional to 96,668.80, 144,938.40 and 44,051.20 is: 66,047.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,668.80 : 144,938.40 = 44,051.20 : x
  2. Step 2: Convert to fraction form
    96,668.80/144,938.40 = 44,051.20/x
  3. Step 3: Cross multiply
    96,668.80x = 144,938.40 × 44,051.20
  4. Step 4: Simplify right side
    96,668.80x = 6,384,710,446.08
  5. Step 5: Solve for x
    x = 6,384,710,446.08/96,668.80
  6. Step 6: Final answer
    x = 66,047.27

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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.