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Finding the Fourth Proportional to 79,288.47, 118,699.42 and 52,927.83

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Solution

The fourth proportional to 79,288.47, 118,699.42 and 52,927.83 is: 79,236.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,288.47 : 118,699.42 = 52,927.83 : x
  2. Step 2: Convert to fraction form
    79,288.47/118,699.42 = 52,927.83/x
  3. Step 3: Cross multiply
    79,288.47x = 118,699.42 × 52,927.83
  4. Step 4: Simplify right side
    79,288.47x = 6,282,501,864.72
  5. Step 5: Solve for x
    x = 6,282,501,864.72/79,288.47
  6. Step 6: Final answer
    x = 79,236.01

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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.