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Finding the Fourth Proportional to 104,175.58, 143,754.85 and 61,156.84

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Solution

The fourth proportional to 104,175.58, 143,754.85 and 61,156.84 is: 84,392.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,175.58 : 143,754.85 = 61,156.84 : x
  2. Step 2: Convert to fraction form
    104,175.58/143,754.85 = 61,156.84/x
  3. Step 3: Cross multiply
    104,175.58x = 143,754.85 × 61,156.84
  4. Step 4: Simplify right side
    104,175.58x = 8,791,592,360.67
  5. Step 5: Solve for x
    x = 8,791,592,360.67/104,175.58
  6. Step 6: Final answer
    x = 84,392.07

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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.