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Finding the Fourth Proportional to 247,780.84, 341,935.68 and 134,604.40

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Solution

The fourth proportional to 247,780.84, 341,935.68 and 134,604.40 is: 185,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,780.84 : 341,935.68 = 134,604.40 : x
  2. Step 2: Convert to fraction form
    247,780.84/341,935.68 = 134,604.40/x
  3. Step 3: Cross multiply
    247,780.84x = 341,935.68 × 134,604.40
  4. Step 4: Simplify right side
    247,780.84x = 46,026,047,044.99
  5. Step 5: Solve for x
    x = 46,026,047,044.99/247,780.84
  6. Step 6: Final answer
    x = 185,753.05

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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.