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Finding the Fourth Proportional to 167,731.40, 251,888.70 and 88,999.40

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Solution

The fourth proportional to 167,731.40, 251,888.70 and 88,999.40 is: 133,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,731.40 : 251,888.70 = 88,999.40 : x
  2. Step 2: Convert to fraction form
    167,731.40/251,888.70 = 88,999.40/x
  3. Step 3: Cross multiply
    167,731.40x = 251,888.70 × 88,999.40
  4. Step 4: Simplify right side
    167,731.40x = 22,417,943,166.78
  5. Step 5: Solve for x
    x = 22,417,943,166.78/167,731.40
  6. Step 6: Final answer
    x = 133,653.82

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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.