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Finding the Fourth Proportional to 254,597.01, 351,304.79 and 147,146.19

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Solution

The fourth proportional to 254,597.01, 351,304.79 and 147,146.19 is: 203,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,597.01 : 351,304.79 = 147,146.19 : x
  2. Step 2: Convert to fraction form
    254,597.01/351,304.79 = 147,146.19/x
  3. Step 3: Cross multiply
    254,597.01x = 351,304.79 × 147,146.19
  4. Step 4: Simplify right side
    254,597.01x = 51,693,161,377.25
  5. Step 5: Solve for x
    x = 51,693,161,377.25/254,597.01
  6. Step 6: Final answer
    x = 203,039.15

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1.5x scale

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.