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Finding the Fourth Proportional to 371,057.20, 556,630.08 and 118,250.08

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Solution

The fourth proportional to 371,057.20, 556,630.08 and 118,250.08 is: 177,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,057.20 : 556,630.08 = 118,250.08 : x
  2. Step 2: Convert to fraction form
    371,057.20/556,630.08 = 118,250.08/x
  3. Step 3: Cross multiply
    371,057.20x = 556,630.08 × 118,250.08
  4. Step 4: Simplify right side
    371,057.20x = 65,821,551,490.41
  5. Step 5: Solve for x
    x = 65,821,551,490.41/371,057.20
  6. Step 6: Final answer
    x = 177,389.23

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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.