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Finding the Fourth Proportional to 303,063.60, 454,552.20 and 103,393.20

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Solution

The fourth proportional to 303,063.60, 454,552.20 and 103,393.20 is: 155,075.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,063.60 : 454,552.20 = 103,393.20 : x
  2. Step 2: Convert to fraction form
    303,063.60/454,552.20 = 103,393.20/x
  3. Step 3: Cross multiply
    303,063.60x = 454,552.20 × 103,393.20
  4. Step 4: Simplify right side
    303,063.60x = 46,997,606,525.04
  5. Step 5: Solve for x
    x = 46,997,606,525.04/303,063.60
  6. Step 6: Final answer
    x = 155,075.06

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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.