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Finding the Fourth Proportional to 173,554.50, 260,232.12 and 68,316.06

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Solution

The fourth proportional to 173,554.50, 260,232.12 and 68,316.06 is: 102,434.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,554.50 : 260,232.12 = 68,316.06 : x
  2. Step 2: Convert to fraction form
    173,554.50/260,232.12 = 68,316.06/x
  3. Step 3: Cross multiply
    173,554.50x = 260,232.12 × 68,316.06
  4. Step 4: Simplify right side
    173,554.50x = 17,778,033,123.85
  5. Step 5: Solve for x
    x = 17,778,033,123.85/173,554.50
  6. Step 6: Final answer
    x = 102,434.87

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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.