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Finding the Fourth Proportional to 104,646.52, 144,363.36 and 64,344.16

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Solution

The fourth proportional to 104,646.52, 144,363.36 and 64,344.16 is: 88,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,646.52 : 144,363.36 = 64,344.16 : x
  2. Step 2: Convert to fraction form
    104,646.52/144,363.36 = 64,344.16/x
  3. Step 3: Cross multiply
    104,646.52x = 144,363.36 × 64,344.16
  4. Step 4: Simplify right side
    104,646.52x = 9,288,939,133.98
  5. Step 5: Solve for x
    x = 9,288,939,133.98/104,646.52
  6. Step 6: Final answer
    x = 88,764.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.