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Finding the Fourth Proportional to 301,641.03, 416,110.65 and 192,630.78

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Solution

The fourth proportional to 301,641.03, 416,110.65 and 192,630.78 is: 265,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,641.03 : 416,110.65 = 192,630.78 : x
  2. Step 2: Convert to fraction form
    301,641.03/416,110.65 = 192,630.78/x
  3. Step 3: Cross multiply
    301,641.03x = 416,110.65 × 192,630.78
  4. Step 4: Simplify right side
    301,641.03x = 80,155,719,075.81
  5. Step 5: Solve for x
    x = 80,155,719,075.81/301,641.03
  6. Step 6: Final answer
    x = 265,732.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.