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Finding the Fourth Proportional to 254,179.42, 350,809.65 and 141,038.62

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Solution

The fourth proportional to 254,179.42, 350,809.65 and 141,038.62 is: 194,656.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,179.42 : 350,809.65 = 141,038.62 : x
  2. Step 2: Convert to fraction form
    254,179.42/350,809.65 = 141,038.62/x
  3. Step 3: Cross multiply
    254,179.42x = 350,809.65 × 141,038.62
  4. Step 4: Simplify right side
    254,179.42x = 49,477,708,918.68
  5. Step 5: Solve for x
    x = 49,477,708,918.68/254,179.42
  6. Step 6: Final answer
    x = 194,656.63

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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.