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Finding the Fourth Proportional to 247,797.06, 341,948.94 and 140,364.93

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Solution

The fourth proportional to 247,797.06, 341,948.94 and 140,364.93 is: 193,697.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,797.06 : 341,948.94 = 140,364.93 : x
  2. Step 2: Convert to fraction form
    247,797.06/341,948.94 = 140,364.93/x
  3. Step 3: Cross multiply
    247,797.06x = 341,948.94 × 140,364.93
  4. Step 4: Simplify right side
    247,797.06x = 47,997,639,026.67
  5. Step 5: Solve for x
    x = 47,997,639,026.67/247,797.06
  6. Step 6: Final answer
    x = 193,697.37

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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.