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Finding the Fourth Proportional to 172,688.63, 259,047.52 and 48,029.63

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Solution

The fourth proportional to 172,688.63, 259,047.52 and 48,029.63 is: 72,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,688.63 : 259,047.52 = 48,029.63 : x
  2. Step 2: Convert to fraction form
    172,688.63/259,047.52 = 48,029.63/x
  3. Step 3: Cross multiply
    172,688.63x = 259,047.52 × 48,029.63
  4. Step 4: Simplify right side
    172,688.63x = 12,441,955,242.78
  5. Step 5: Solve for x
    x = 12,441,955,242.78/172,688.63
  6. Step 6: Final answer
    x = 72,048.49

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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.