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Finding the Fourth Proportional to 239,038.44, 358,583.93 and 79,056.10

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Solution

The fourth proportional to 239,038.44, 358,583.93 and 79,056.10 is: 118,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,038.44 : 358,583.93 = 79,056.10 : x
  2. Step 2: Convert to fraction form
    239,038.44/358,583.93 = 79,056.10/x
  3. Step 3: Cross multiply
    239,038.44x = 358,583.93 × 79,056.10
  4. Step 4: Simplify right side
    239,038.44x = 28,348,247,377.88
  5. Step 5: Solve for x
    x = 28,348,247,377.88/239,038.44
  6. Step 6: Final answer
    x = 118,592.84

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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.