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Finding the Fourth Proportional to 167,348.60, 251,022.90 and 78,663.32

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Solution

The fourth proportional to 167,348.60, 251,022.90 and 78,663.32 is: 117,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,348.60 : 251,022.90 = 78,663.32 : x
  2. Step 2: Convert to fraction form
    167,348.60/251,022.90 = 78,663.32/x
  3. Step 3: Cross multiply
    167,348.60x = 251,022.90 × 78,663.32
  4. Step 4: Simplify right side
    167,348.60x = 19,746,294,710.03
  5. Step 5: Solve for x
    x = 19,746,294,710.03/167,348.60
  6. Step 6: Final answer
    x = 117,994.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.