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Finding the Fourth Proportional to 132,368.70, 182,670.22 and 71,939.34

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Solution

The fourth proportional to 132,368.70, 182,670.22 and 71,939.34 is: 99,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,368.70 : 182,670.22 = 71,939.34 : x
  2. Step 2: Convert to fraction form
    132,368.70/182,670.22 = 71,939.34/x
  3. Step 3: Cross multiply
    132,368.70x = 182,670.22 × 71,939.34
  4. Step 4: Simplify right side
    132,368.70x = 13,141,175,064.45
  5. Step 5: Solve for x
    x = 13,141,175,064.45/132,368.70
  6. Step 6: Final answer
    x = 99,277.06

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1.5x scale

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.