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Finding the Fourth Proportional to 96,369.60, 144,437.76 and 43,726.08

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Solution

The fourth proportional to 96,369.60, 144,437.76 and 43,726.08 is: 65,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,369.60 : 144,437.76 = 43,726.08 : x
  2. Step 2: Convert to fraction form
    96,369.60/144,437.76 = 43,726.08/x
  3. Step 3: Cross multiply
    96,369.60x = 144,437.76 × 43,726.08
  4. Step 4: Simplify right side
    96,369.60x = 6,315,697,048.78
  5. Step 5: Solve for x
    x = 6,315,697,048.78/96,369.60
  6. Step 6: Final answer
    x = 65,536.20

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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.