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Finding the Fourth Proportional to 73,780.66, 101,807.04 and 41,946.04

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Solution

The fourth proportional to 73,780.66, 101,807.04 and 41,946.04 is: 57,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,780.66 : 101,807.04 = 41,946.04 : x
  2. Step 2: Convert to fraction form
    73,780.66/101,807.04 = 41,946.04/x
  3. Step 3: Cross multiply
    73,780.66x = 101,807.04 × 41,946.04
  4. Step 4: Simplify right side
    73,780.66x = 4,270,402,172.12
  5. Step 5: Solve for x
    x = 4,270,402,172.12/73,780.66
  6. Step 6: Final answer
    x = 57,879.70

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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.