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Finding the Fourth Proportional to 249,843.17, 374,710.47 and 79,078.16

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Solution

The fourth proportional to 249,843.17, 374,710.47 and 79,078.16 is: 118,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,843.17 : 374,710.47 = 79,078.16 : x
  2. Step 2: Convert to fraction form
    249,843.17/374,710.47 = 79,078.16/x
  3. Step 3: Cross multiply
    249,843.17x = 374,710.47 × 79,078.16
  4. Step 4: Simplify right side
    249,843.17x = 29,631,412,626.78
  5. Step 5: Solve for x
    x = 29,631,412,626.78/249,843.17
  6. Step 6: Final answer
    x = 118,600.05

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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.