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Finding the Fourth Proportional to 377,218.10, 565,810.95 and 127,900.10

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Solution

The fourth proportional to 377,218.10, 565,810.95 and 127,900.10 is: 191,844.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,218.10 : 565,810.95 = 127,900.10 : x
  2. Step 2: Convert to fraction form
    377,218.10/565,810.95 = 127,900.10/x
  3. Step 3: Cross multiply
    377,218.10x = 565,810.95 × 127,900.10
  4. Step 4: Simplify right side
    377,218.10x = 72,367,277,086.10
  5. Step 5: Solve for x
    x = 72,367,277,086.10/377,218.10
  6. Step 6: Final answer
    x = 191,844.66

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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.