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Finding the Fourth Proportional to 173,871.84, 260,010.72 and 129,529.44

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Solution

The fourth proportional to 173,871.84, 260,010.72 and 129,529.44 is: 193,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,871.84 : 260,010.72 = 129,529.44 : x
  2. Step 2: Convert to fraction form
    173,871.84/260,010.72 = 129,529.44/x
  3. Step 3: Cross multiply
    173,871.84x = 260,010.72 × 129,529.44
  4. Step 4: Simplify right side
    173,871.84x = 33,679,042,955.60
  5. Step 5: Solve for x
    x = 33,679,042,955.60/173,871.84
  6. Step 6: Final answer
    x = 193,700.39

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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.