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Finding the Fourth Proportional to 377,855.70, 566,783.55 and 125,068.20

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Solution

The fourth proportional to 377,855.70, 566,783.55 and 125,068.20 is: 187,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,855.70 : 566,783.55 = 125,068.20 : x
  2. Step 2: Convert to fraction form
    377,855.70/566,783.55 = 125,068.20/x
  3. Step 3: Cross multiply
    377,855.70x = 566,783.55 × 125,068.20
  4. Step 4: Simplify right side
    377,855.70x = 70,886,598,388.11
  5. Step 5: Solve for x
    x = 70,886,598,388.11/377,855.70
  6. Step 6: Final answer
    x = 187,602.30

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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.