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Finding the Fourth Proportional to 96,270.40, 144,404.40 and 43,643.20

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Solution

The fourth proportional to 96,270.40, 144,404.40 and 43,643.20 is: 65,464.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,270.40 : 144,404.40 = 43,643.20 : x
  2. Step 2: Convert to fraction form
    96,270.40/144,404.40 = 43,643.20/x
  3. Step 3: Cross multiply
    96,270.40x = 144,404.40 × 43,643.20
  4. Step 4: Simplify right side
    96,270.40x = 6,302,270,110.08
  5. Step 5: Solve for x
    x = 6,302,270,110.08/96,270.40
  6. Step 6: Final answer
    x = 65,464.26

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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.