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Finding the Fourth Proportional to 116,063.49, 173,871.06 and 85,614.98

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Solution

The fourth proportional to 116,063.49, 173,871.06 and 85,614.98 is: 128,257.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,063.49 : 173,871.06 = 85,614.98 : x
  2. Step 2: Convert to fraction form
    116,063.49/173,871.06 = 85,614.98/x
  3. Step 3: Cross multiply
    116,063.49x = 173,871.06 × 85,614.98
  4. Step 4: Simplify right side
    116,063.49x = 14,885,968,323.48
  5. Step 5: Solve for x
    x = 14,885,968,323.48/116,063.49
  6. Step 6: Final answer
    x = 128,257.11

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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.