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Finding the Fourth Proportional to 110,140.88, 165,279.16 and 43,569.68

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Solution

The fourth proportional to 110,140.88, 165,279.16 and 43,569.68 is: 65,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,140.88 : 165,279.16 = 43,569.68 : x
  2. Step 2: Convert to fraction form
    110,140.88/165,279.16 = 43,569.68/x
  3. Step 3: Cross multiply
    110,140.88x = 165,279.16 × 43,569.68
  4. Step 4: Simplify right side
    110,140.88x = 7,201,160,111.87
  5. Step 5: Solve for x
    x = 7,201,160,111.87/110,140.88
  6. Step 6: Final answer
    x = 65,381.36

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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.