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Finding the Fourth Proportional to 371,230.32, 556,936.02 and 118,510.85

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Solution

The fourth proportional to 371,230.32, 556,936.02 and 118,510.85 is: 177,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,230.32 : 556,936.02 = 118,510.85 : x
  2. Step 2: Convert to fraction form
    371,230.32/556,936.02 = 118,510.85/x
  3. Step 3: Cross multiply
    371,230.32x = 556,936.02 × 118,510.85
  4. Step 4: Simplify right side
    371,230.32x = 66,002,961,125.82
  5. Step 5: Solve for x
    x = 66,002,961,125.82/371,230.32
  6. Step 6: Final answer
    x = 177,795.18

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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.