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Finding the Fourth Proportional to 173,816.10, 260,724.15 and 123,624.45

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Solution

The fourth proportional to 173,816.10, 260,724.15 and 123,624.45 is: 185,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,816.10 : 260,724.15 = 123,624.45 : x
  2. Step 2: Convert to fraction form
    173,816.10/260,724.15 = 123,624.45/x
  3. Step 3: Cross multiply
    173,816.10x = 260,724.15 × 123,624.45
  4. Step 4: Simplify right side
    173,816.10x = 32,231,879,645.47
  5. Step 5: Solve for x
    x = 32,231,879,645.47/173,816.10
  6. Step 6: Final answer
    x = 185,436.68

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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.