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Finding the Fourth Proportional to 242,309.79, 363,539.07 and 124,064.15

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Solution

The fourth proportional to 242,309.79, 363,539.07 and 124,064.15 is: 186,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,309.79 : 363,539.07 = 124,064.15 : x
  2. Step 2: Convert to fraction form
    242,309.79/363,539.07 = 124,064.15/x
  3. Step 3: Cross multiply
    242,309.79x = 363,539.07 × 124,064.15
  4. Step 4: Simplify right side
    242,309.79x = 45,102,163,893.65
  5. Step 5: Solve for x
    x = 45,102,163,893.65/242,309.79
  6. Step 6: Final answer
    x = 186,134.30

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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.