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Finding the Fourth Proportional to 247,603.72, 341,714.28 and 140,192.68

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Solution

The fourth proportional to 247,603.72, 341,714.28 and 140,192.68 is: 193,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,603.72 : 341,714.28 = 140,192.68 : x
  2. Step 2: Convert to fraction form
    247,603.72/341,714.28 = 140,192.68/x
  3. Step 3: Cross multiply
    247,603.72x = 341,714.28 × 140,192.68
  4. Step 4: Simplify right side
    247,603.72x = 47,905,840,707.47
  5. Step 5: Solve for x
    x = 47,905,840,707.47/247,603.72
  6. Step 6: Final answer
    x = 193,477.87

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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.