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Finding the Fourth Proportional to 167,661.70, 251,492.55 and 148,999.30

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Solution

The fourth proportional to 167,661.70, 251,492.55 and 148,999.30 is: 223,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,661.70 : 251,492.55 = 148,999.30 : x
  2. Step 2: Convert to fraction form
    167,661.70/251,492.55 = 148,999.30/x
  3. Step 3: Cross multiply
    167,661.70x = 251,492.55 × 148,999.30
  4. Step 4: Simplify right side
    167,661.70x = 37,472,213,905.22
  5. Step 5: Solve for x
    x = 37,472,213,905.22/167,661.70
  6. Step 6: Final answer
    x = 223,498.95

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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.