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Finding the Fourth Proportional to 254,693.61, 351,461.75 and 141,512.49

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Solution

The fourth proportional to 254,693.61, 351,461.75 and 141,512.49 is: 195,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,693.61 : 351,461.75 = 141,512.49 : x
  2. Step 2: Convert to fraction form
    254,693.61/351,461.75 = 141,512.49/x
  3. Step 3: Cross multiply
    254,693.61x = 351,461.75 × 141,512.49
  4. Step 4: Simplify right side
    254,693.61x = 49,736,226,674.70
  5. Step 5: Solve for x
    x = 49,736,226,674.70/254,693.61
  6. Step 6: Final answer
    x = 195,278.66

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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.