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Finding the Fourth Proportional to 172,047, 237,424.86 and 96,595.50

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Solution

The fourth proportional to 172,047, 237,424.86 and 96,595.50 is: 133,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,047 : 237,424.86 = 96,595.50 : x
  2. Step 2: Convert to fraction form
    172,047/237,424.86 = 96,595.50/x
  3. Step 3: Cross multiply
    172,047x = 237,424.86 × 96,595.50
  4. Step 4: Simplify right side
    172,047x = 22,934,173,064.13
  5. Step 5: Solve for x
    x = 22,934,173,064.13/172,047
  6. Step 6: Final answer
    x = 133,301.79

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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.