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Finding the Fourth Proportional to 74,106.10, 110,831.10 and 62,296.30

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Solution

The fourth proportional to 74,106.10, 110,831.10 and 62,296.30 is: 93,168.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,106.10 : 110,831.10 = 62,296.30 : x
  2. Step 2: Convert to fraction form
    74,106.10/110,831.10 = 62,296.30/x
  3. Step 3: Cross multiply
    74,106.10x = 110,831.10 × 62,296.30
  4. Step 4: Simplify right side
    74,106.10x = 6,904,367,454.93
  5. Step 5: Solve for x
    x = 6,904,367,454.93/74,106.10
  6. Step 6: Final answer
    x = 93,168.68

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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.