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Finding the Fourth Proportional to 247,393.01, 341,403 and 134,215.76

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Solution

The fourth proportional to 247,393.01, 341,403 and 134,215.76 is: 185,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,393.01 : 341,403 = 134,215.76 : x
  2. Step 2: Convert to fraction form
    247,393.01/341,403 = 134,215.76/x
  3. Step 3: Cross multiply
    247,393.01x = 341,403 × 134,215.76
  4. Step 4: Simplify right side
    247,393.01x = 45,821,663,111.28
  5. Step 5: Solve for x
    x = 45,821,663,111.28/247,393.01
  6. Step 6: Final answer
    x = 185,218.10

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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.