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Finding the Fourth Proportional to 371,141.73, 556,440.03 and 118,276.74

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Solution

The fourth proportional to 371,141.73, 556,440.03 and 118,276.74 is: 177,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,141.73 : 556,440.03 = 118,276.74 : x
  2. Step 2: Convert to fraction form
    371,141.73/556,440.03 = 118,276.74/x
  3. Step 3: Cross multiply
    371,141.73x = 556,440.03 × 118,276.74
  4. Step 4: Simplify right side
    371,141.73x = 65,813,912,753.90
  5. Step 5: Solve for x
    x = 65,813,912,753.90/371,141.73
  6. Step 6: Final answer
    x = 177,328.25

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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.