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Finding the Fourth Proportional to 248,852.58, 343,401.76 and 141,407.70

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Solution

The fourth proportional to 248,852.58, 343,401.76 and 141,407.70 is: 195,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,852.58 : 343,401.76 = 141,407.70 : x
  2. Step 2: Convert to fraction form
    248,852.58/343,401.76 = 141,407.70/x
  3. Step 3: Cross multiply
    248,852.58x = 343,401.76 × 141,407.70
  4. Step 4: Simplify right side
    248,852.58x = 48,559,653,057.55
  5. Step 5: Solve for x
    x = 48,559,653,057.55/248,852.58
  6. Step 6: Final answer
    x = 195,134.22

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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.