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Finding the Fourth Proportional to 172,245.54, 237,643.98 and 104,240.77

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Solution

The fourth proportional to 172,245.54, 237,643.98 and 104,240.77 is: 143,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,245.54 : 237,643.98 = 104,240.77 : x
  2. Step 2: Convert to fraction form
    172,245.54/237,643.98 = 104,240.77/x
  3. Step 3: Cross multiply
    172,245.54x = 237,643.98 × 104,240.77
  4. Step 4: Simplify right side
    172,245.54x = 24,772,191,812.80
  5. Step 5: Solve for x
    x = 24,772,191,812.80/172,245.54
  6. Step 6: Final answer
    x = 143,819.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.