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Finding the Fourth Proportional to 278,035.04, 417,053.04 and 67,673.12

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Solution

The fourth proportional to 278,035.04, 417,053.04 and 67,673.12 is: 101,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,035.04 : 417,053.04 = 67,673.12 : x
  2. Step 2: Convert to fraction form
    278,035.04/417,053.04 = 67,673.12/x
  3. Step 3: Cross multiply
    278,035.04x = 417,053.04 × 67,673.12
  4. Step 4: Simplify right side
    278,035.04x = 28,223,280,422.28
  5. Step 5: Solve for x
    x = 28,223,280,422.28/278,035.04
  6. Step 6: Final answer
    x = 101,509.80

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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.