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Finding the Fourth Proportional to 364,045.65, 545,998.01 and 111,264.90

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Solution

The fourth proportional to 364,045.65, 545,998.01 and 111,264.90 is: 166,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,045.65 : 545,998.01 = 111,264.90 : x
  2. Step 2: Convert to fraction form
    364,045.65/545,998.01 = 111,264.90/x
  3. Step 3: Cross multiply
    364,045.65x = 545,998.01 × 111,264.90
  4. Step 4: Simplify right side
    364,045.65x = 60,750,413,426.52
  5. Step 5: Solve for x
    x = 60,750,413,426.52/364,045.65
  6. Step 6: Final answer
    x = 166,875.81

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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.