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Finding the Fourth Proportional to 293,089.70, 439,626.31 and 93,422.06

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Solution

The fourth proportional to 293,089.70, 439,626.31 and 93,422.06 is: 140,130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,089.70 : 439,626.31 = 93,422.06 : x
  2. Step 2: Convert to fraction form
    293,089.70/439,626.31 = 93,422.06/x
  3. Step 3: Cross multiply
    293,089.70x = 439,626.31 × 93,422.06
  4. Step 4: Simplify right side
    293,089.70x = 41,070,795,510.40
  5. Step 5: Solve for x
    x = 41,070,795,510.40/293,089.70
  6. Step 6: Final answer
    x = 140,130.46

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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.