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Finding the Fourth Proportional to 113,064.56, 169,596.84 and 42,943.70

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Solution

The fourth proportional to 113,064.56, 169,596.84 and 42,943.70 is: 64,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,064.56 : 169,596.84 = 42,943.70 : x
  2. Step 2: Convert to fraction form
    113,064.56/169,596.84 = 42,943.70/x
  3. Step 3: Cross multiply
    113,064.56x = 169,596.84 × 42,943.70
  4. Step 4: Simplify right side
    113,064.56x = 7,283,115,817.91
  5. Step 5: Solve for x
    x = 7,283,115,817.91/113,064.56
  6. Step 6: Final answer
    x = 64,415.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.