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Finding the Fourth Proportional to 270,264, 372,987.36 and 151,055.04

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Solution

The fourth proportional to 270,264, 372,987.36 and 151,055.04 is: 208,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,264 : 372,987.36 = 151,055.04 : x
  2. Step 2: Convert to fraction form
    270,264/372,987.36 = 151,055.04/x
  3. Step 3: Cross multiply
    270,264x = 372,987.36 × 151,055.04
  4. Step 4: Simplify right side
    270,264x = 56,341,620,584.29
  5. Step 5: Solve for x
    x = 56,341,620,584.29/270,264
  6. Step 6: Final answer
    x = 208,468.83

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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.