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Finding the Fourth Proportional to 172,143.54, 258,256.82 and 59,807.41

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Solution

The fourth proportional to 172,143.54, 258,256.82 and 59,807.41 is: 89,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,143.54 : 258,256.82 = 59,807.41 : x
  2. Step 2: Convert to fraction form
    172,143.54/258,256.82 = 59,807.41/x
  3. Step 3: Cross multiply
    172,143.54x = 258,256.82 × 59,807.41
  4. Step 4: Simplify right side
    172,143.54x = 15,445,671,022.91
  5. Step 5: Solve for x
    x = 15,445,671,022.91/172,143.54
  6. Step 6: Final answer
    x = 89,725.53

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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.