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Finding the Fourth Proportional to 267,009.86, 368,400.73 and 152,246.64

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Solution

The fourth proportional to 267,009.86, 368,400.73 and 152,246.64 is: 210,058.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,009.86 : 368,400.73 = 152,246.64 : x
  2. Step 2: Convert to fraction form
    267,009.86/368,400.73 = 152,246.64/x
  3. Step 3: Cross multiply
    267,009.86x = 368,400.73 × 152,246.64
  4. Step 4: Simplify right side
    267,009.86x = 56,087,773,316.05
  5. Step 5: Solve for x
    x = 56,087,773,316.05/267,009.86
  6. Step 6: Final answer
    x = 210,058.81

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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.