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Finding the Fourth Proportional to 239,038.94, 358,584.68 and 79,056.60

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Solution

The fourth proportional to 239,038.94, 358,584.68 and 79,056.60 is: 118,593.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,038.94 : 358,584.68 = 79,056.60 : x
  2. Step 2: Convert to fraction form
    239,038.94/358,584.68 = 79,056.60/x
  3. Step 3: Cross multiply
    239,038.94x = 358,584.68 × 79,056.60
  4. Step 4: Simplify right side
    239,038.94x = 28,348,485,612.89
  5. Step 5: Solve for x
    x = 28,348,485,612.89/239,038.94
  6. Step 6: Final answer
    x = 118,593.59

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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.