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Finding the Fourth Proportional to 377,810.80, 566,583.90 and 111,500.80

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Solution

The fourth proportional to 377,810.80, 566,583.90 and 111,500.80 is: 167,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,810.80 : 566,583.90 = 111,500.80 : x
  2. Step 2: Convert to fraction form
    377,810.80/566,583.90 = 111,500.80/x
  3. Step 3: Cross multiply
    377,810.80x = 566,583.90 × 111,500.80
  4. Step 4: Simplify right side
    377,810.80x = 63,174,558,117.12
  5. Step 5: Solve for x
    x = 63,174,558,117.12/377,810.80
  6. Step 6: Final answer
    x = 167,212.16

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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.