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Finding the Fourth Proportional to 77,332.67, 106,726.58 and 43,346.93

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Solution

The fourth proportional to 77,332.67, 106,726.58 and 43,346.93 is: 59,822.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,332.67 : 106,726.58 = 43,346.93 : x
  2. Step 2: Convert to fraction form
    77,332.67/106,726.58 = 43,346.93/x
  3. Step 3: Cross multiply
    77,332.67x = 106,726.58 × 43,346.93
  4. Step 4: Simplify right side
    77,332.67x = 4,626,269,592.40
  5. Step 5: Solve for x
    x = 4,626,269,592.40/77,332.67
  6. Step 6: Final answer
    x = 59,822.96

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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.