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Finding the Fourth Proportional to 172,328.77, 237,835.07 and 96,877.27

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Solution

The fourth proportional to 172,328.77, 237,835.07 and 96,877.27 is: 133,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,328.77 : 237,835.07 = 96,877.27 : x
  2. Step 2: Convert to fraction form
    172,328.77/237,835.07 = 96,877.27/x
  3. Step 3: Cross multiply
    172,328.77x = 237,835.07 × 96,877.27
  4. Step 4: Simplify right side
    172,328.77x = 23,040,812,291.86
  5. Step 5: Solve for x
    x = 23,040,812,291.86/172,328.77
  6. Step 6: Final answer
    x = 133,702.64

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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.