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Finding the Fourth Proportional to 123,279,454.80, 184,565,287.80 and 119,740,510.80

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Solution

The fourth proportional to 123,279,454.80, 184,565,287.80 and 119,740,510.80 is: 179,267,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,279,454.80 : 184,565,287.80 = 119,740,510.80 : x
  2. Step 2: Convert to fraction form
    123,279,454.80/184,565,287.80 = 119,740,510.80/x
  3. Step 3: Cross multiply
    123,279,454.80x = 184,565,287.80 × 119,740,510.80
  4. Step 4: Simplify right side
    123,279,454.80x = 22,099,941,837,121,008
  5. Step 5: Solve for x
    x = 22,099,941,837,121,008/123,279,454.80
  6. Step 6: Final answer
    x = 179,267,030.93

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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.