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Finding the Fourth Proportional to 242,303.53, 363,529.70 and 124,057.90

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Solution

The fourth proportional to 242,303.53, 363,529.70 and 124,057.90 is: 186,124.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,303.53 : 363,529.70 = 124,057.90 : x
  2. Step 2: Convert to fraction form
    242,303.53/363,529.70 = 124,057.90/x
  3. Step 3: Cross multiply
    242,303.53x = 363,529.70 × 124,057.90
  4. Step 4: Simplify right side
    242,303.53x = 45,098,728,731.69
  5. Step 5: Solve for x
    x = 45,098,728,731.69/242,303.53
  6. Step 6: Final answer
    x = 186,124.94

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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.