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Finding the Fourth Proportional to 242,267.34, 363,548.06 and 90,574.86

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Solution

The fourth proportional to 242,267.34, 363,548.06 and 90,574.86 is: 135,917.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,267.34 : 363,548.06 = 90,574.86 : x
  2. Step 2: Convert to fraction form
    242,267.34/363,548.06 = 90,574.86/x
  3. Step 3: Cross multiply
    242,267.34x = 363,548.06 × 90,574.86
  4. Step 4: Simplify right side
    242,267.34x = 32,928,314,184.90
  5. Step 5: Solve for x
    x = 32,928,314,184.90/242,267.34
  6. Step 6: Final answer
    x = 135,917.26

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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.