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Finding the Fourth Proportional to 248,852.70, 343,401.93 and 141,407.82

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Solution

The fourth proportional to 248,852.70, 343,401.93 and 141,407.82 is: 195,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,852.70 : 343,401.93 = 141,407.82 : x
  2. Step 2: Convert to fraction form
    248,852.70/343,401.93 = 141,407.82/x
  3. Step 3: Cross multiply
    248,852.70x = 343,401.93 × 141,407.82
  4. Step 4: Simplify right side
    248,852.70x = 48,559,718,305.09
  5. Step 5: Solve for x
    x = 48,559,718,305.09/248,852.70
  6. Step 6: Final answer
    x = 195,134.38

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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.