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Finding the Fourth Proportional to 177,599.50, 245,087.31 and 98,111.50

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Solution

The fourth proportional to 177,599.50, 245,087.31 and 98,111.50 is: 135,393.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,599.50 : 245,087.31 = 98,111.50 : x
  2. Step 2: Convert to fraction form
    177,599.50/245,087.31 = 98,111.50/x
  3. Step 3: Cross multiply
    177,599.50x = 245,087.31 × 98,111.50
  4. Step 4: Simplify right side
    177,599.50x = 24,045,883,615.07
  5. Step 5: Solve for x
    x = 24,045,883,615.07/177,599.50
  6. Step 6: Final answer
    x = 135,393.87

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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.