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Finding the Fourth Proportional to 377,077.60, 565,616.40 and 166,607.20

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Solution

The fourth proportional to 377,077.60, 565,616.40 and 166,607.20 is: 249,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,077.60 : 565,616.40 = 166,607.20 : x
  2. Step 2: Convert to fraction form
    377,077.60/565,616.40 = 166,607.20/x
  3. Step 3: Cross multiply
    377,077.60x = 565,616.40 × 166,607.20
  4. Step 4: Simplify right side
    377,077.60x = 94,235,764,678.08
  5. Step 5: Solve for x
    x = 94,235,764,678.08/377,077.60
  6. Step 6: Final answer
    x = 249,910.80

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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.