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Finding the Fourth Proportional to 84,754.68, 116,962.20 and 47,029.56

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Solution

The fourth proportional to 84,754.68, 116,962.20 and 47,029.56 is: 64,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,754.68 : 116,962.20 = 47,029.56 : x
  2. Step 2: Convert to fraction form
    84,754.68/116,962.20 = 47,029.56/x
  3. Step 3: Cross multiply
    84,754.68x = 116,962.20 × 47,029.56
  4. Step 4: Simplify right side
    84,754.68x = 5,500,680,802.63
  5. Step 5: Solve for x
    x = 5,500,680,802.63/84,754.68
  6. Step 6: Final answer
    x = 64,901.20

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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.