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Finding the Fourth Proportional to 172,346.81, 237,838.59 and 96,895.31

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Solution

The fourth proportional to 172,346.81, 237,838.59 and 96,895.31 is: 133,715.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,346.81 : 237,838.59 = 96,895.31 : x
  2. Step 2: Convert to fraction form
    172,346.81/237,838.59 = 96,895.31/x
  3. Step 3: Cross multiply
    172,346.81x = 237,838.59 × 96,895.31
  4. Step 4: Simplify right side
    172,346.81x = 23,045,444,502.61
  5. Step 5: Solve for x
    x = 23,045,444,502.61/172,346.81
  6. Step 6: Final answer
    x = 133,715.52

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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.