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Finding the Fourth Proportional to 242,626.34, 363,973.52 and 84,818.90

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Solution

The fourth proportional to 242,626.34, 363,973.52 and 84,818.90 is: 127,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,626.34 : 363,973.52 = 84,818.90 : x
  2. Step 2: Convert to fraction form
    242,626.34/363,973.52 = 84,818.90/x
  3. Step 3: Cross multiply
    242,626.34x = 363,973.52 × 84,818.90
  4. Step 4: Simplify right side
    242,626.34x = 30,871,831,987.71
  5. Step 5: Solve for x
    x = 30,871,831,987.71/242,626.34
  6. Step 6: Final answer
    x = 127,240.24

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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.