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Finding the Fourth Proportional to 254,122.94, 350,630.80 and 152,109.63

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Solution

The fourth proportional to 254,122.94, 350,630.80 and 152,109.63 is: 209,876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,122.94 : 350,630.80 = 152,109.63 : x
  2. Step 2: Convert to fraction form
    254,122.94/350,630.80 = 152,109.63/x
  3. Step 3: Cross multiply
    254,122.94x = 350,630.80 × 152,109.63
  4. Step 4: Simplify right side
    254,122.94x = 53,334,320,874.33
  5. Step 5: Solve for x
    x = 53,334,320,874.33/254,122.94
  6. Step 6: Final answer
    x = 209,876.06

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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.