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Finding the Fourth Proportional to 239,050.80, 358,490.52 and 79,097.28

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Solution

The fourth proportional to 239,050.80, 358,490.52 and 79,097.28 is: 118,617.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,050.80 : 358,490.52 = 79,097.28 : x
  2. Step 2: Convert to fraction form
    239,050.80/358,490.52 = 79,097.28/x
  3. Step 3: Cross multiply
    239,050.80x = 358,490.52 × 79,097.28
  4. Step 4: Simplify right side
    239,050.80x = 28,355,625,037.79
  5. Step 5: Solve for x
    x = 28,355,625,037.79/239,050.80
  6. Step 6: Final answer
    x = 118,617.57

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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.