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Finding the Fourth Proportional to 245,792.14, 368,738.76 and 103,637.85

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Solution

The fourth proportional to 245,792.14, 368,738.76 and 103,637.85 is: 155,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,792.14 : 368,738.76 = 103,637.85 : x
  2. Step 2: Convert to fraction form
    245,792.14/368,738.76 = 103,637.85/x
  3. Step 3: Cross multiply
    245,792.14x = 368,738.76 × 103,637.85
  4. Step 4: Simplify right side
    245,792.14x = 38,215,291,303.94
  5. Step 5: Solve for x
    x = 38,215,291,303.94/245,792.14
  6. Step 6: Final answer
    x = 155,478.09

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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.