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Finding the Fourth Proportional to 247,274.48, 370,907.63 and 78,792.52

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Solution

The fourth proportional to 247,274.48, 370,907.63 and 78,792.52 is: 118,187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,274.48 : 370,907.63 = 78,792.52 : x
  2. Step 2: Convert to fraction form
    247,274.48/370,907.63 = 78,792.52/x
  3. Step 3: Cross multiply
    247,274.48x = 370,907.63 × 78,792.52
  4. Step 4: Simplify right side
    247,274.48x = 29,224,746,854.93
  5. Step 5: Solve for x
    x = 29,224,746,854.93/247,274.48
  6. Step 6: Final answer
    x = 118,187.48

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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.