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Finding the Fourth Proportional to 171,492.64, 236,475 and 117,050.92

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Solution

The fourth proportional to 171,492.64, 236,475 and 117,050.92 is: 161,404.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,492.64 : 236,475 = 117,050.92 : x
  2. Step 2: Convert to fraction form
    171,492.64/236,475 = 117,050.92/x
  3. Step 3: Cross multiply
    171,492.64x = 236,475 × 117,050.92
  4. Step 4: Simplify right side
    171,492.64x = 27,679,616,307
  5. Step 5: Solve for x
    x = 27,679,616,307/171,492.64
  6. Step 6: Final answer
    x = 161,404.11

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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.