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Finding the Fourth Proportional to 378,036.95, 567,166.19 and 111,804.53

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Solution

The fourth proportional to 378,036.95, 567,166.19 and 111,804.53 is: 167,739.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,036.95 : 567,166.19 = 111,804.53 : x
  2. Step 2: Convert to fraction form
    378,036.95/567,166.19 = 111,804.53/x
  3. Step 3: Cross multiply
    378,036.95x = 567,166.19 × 111,804.53
  4. Step 4: Simplify right side
    378,036.95x = 63,411,745,909.99
  5. Step 5: Solve for x
    x = 63,411,745,909.99/378,036.95
  6. Step 6: Final answer
    x = 167,739.55

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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.