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Finding the Fourth Proportional to 171,952.91, 236,904.66 and 133,056.98

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Solution

The fourth proportional to 171,952.91, 236,904.66 and 133,056.98 is: 183,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,952.91 : 236,904.66 = 133,056.98 : x
  2. Step 2: Convert to fraction form
    171,952.91/236,904.66 = 133,056.98/x
  3. Step 3: Cross multiply
    171,952.91x = 236,904.66 × 133,056.98
  4. Step 4: Simplify right side
    171,952.91x = 31,521,819,199.79
  5. Step 5: Solve for x
    x = 31,521,819,199.79/171,952.91
  6. Step 6: Final answer
    x = 183,316.58

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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.