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Finding the Fourth Proportional to 172,352.16, 237,845.39 and 96,900.66

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Solution

The fourth proportional to 172,352.16, 237,845.39 and 96,900.66 is: 133,722.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,352.16 : 237,845.39 = 96,900.66 : x
  2. Step 2: Convert to fraction form
    172,352.16/237,845.39 = 96,900.66/x
  3. Step 3: Cross multiply
    172,352.16x = 237,845.39 × 96,900.66
  4. Step 4: Simplify right side
    172,352.16x = 23,047,374,784.45
  5. Step 5: Solve for x
    x = 23,047,374,784.45/172,352.16
  6. Step 6: Final answer
    x = 133,722.58

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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.