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Finding the Fourth Proportional to 167,427.60, 251,141.40 and 142,058.40

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Solution

The fourth proportional to 167,427.60, 251,141.40 and 142,058.40 is: 213,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,427.60 : 251,141.40 = 142,058.40 : x
  2. Step 2: Convert to fraction form
    167,427.60/251,141.40 = 142,058.40/x
  3. Step 3: Cross multiply
    167,427.60x = 251,141.40 × 142,058.40
  4. Step 4: Simplify right side
    167,427.60x = 35,676,745,457.76
  5. Step 5: Solve for x
    x = 35,676,745,457.76/167,427.60
  6. Step 6: Final answer
    x = 213,087.60

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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.