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Finding the Fourth Proportional to 73,345.80, 110,018.70 and 50,017.80

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Solution

The fourth proportional to 73,345.80, 110,018.70 and 50,017.80 is: 75,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,345.80 : 110,018.70 = 50,017.80 : x
  2. Step 2: Convert to fraction form
    73,345.80/110,018.70 = 50,017.80/x
  3. Step 3: Cross multiply
    73,345.80x = 110,018.70 × 50,017.80
  4. Step 4: Simplify right side
    73,345.80x = 5,502,893,332.86
  5. Step 5: Solve for x
    x = 5,502,893,332.86/73,345.80
  6. Step 6: Final answer
    x = 75,026.70

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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.