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Finding the Fourth Proportional to 173,624.15, 260,436.23 and 103,640.15

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Solution

The fourth proportional to 173,624.15, 260,436.23 and 103,640.15 is: 155,460.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,624.15 : 260,436.23 = 103,640.15 : x
  2. Step 2: Convert to fraction form
    173,624.15/260,436.23 = 103,640.15/x
  3. Step 3: Cross multiply
    173,624.15x = 260,436.23 × 103,640.15
  4. Step 4: Simplify right side
    173,624.15x = 26,991,649,942.63
  5. Step 5: Solve for x
    x = 26,991,649,942.63/173,624.15
  6. Step 6: Final answer
    x = 155,460.23

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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.