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Finding the Fourth Proportional to 254,544.79, 351,192.80 and 147,075.61

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Solution

The fourth proportional to 254,544.79, 351,192.80 and 147,075.61 is: 202,918.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,544.79 : 351,192.80 = 147,075.61 : x
  2. Step 2: Convert to fraction form
    254,544.79/351,192.80 = 147,075.61/x
  3. Step 3: Cross multiply
    254,544.79x = 351,192.80 × 147,075.61
  4. Step 4: Simplify right side
    254,544.79x = 51,651,894,552.23
  5. Step 5: Solve for x
    x = 51,651,894,552.23/254,544.79
  6. Step 6: Final answer
    x = 202,918.69

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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.