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Finding the Fourth Proportional to 254,160.67, 350,783.78 and 141,019.87

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Solution

The fourth proportional to 254,160.67, 350,783.78 and 141,019.87 is: 194,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,160.67 : 350,783.78 = 141,019.87 : x
  2. Step 2: Convert to fraction form
    254,160.67/350,783.78 = 141,019.87/x
  3. Step 3: Cross multiply
    254,160.67x = 350,783.78 × 141,019.87
  4. Step 4: Simplify right side
    254,160.67x = 49,467,483,053.71
  5. Step 5: Solve for x
    x = 49,467,483,053.71/254,160.67
  6. Step 6: Final answer
    x = 194,630.75

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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.