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Finding the Fourth Proportional to 113,490.40, 170,259.90 and 34,612.60

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Solution

The fourth proportional to 113,490.40, 170,259.90 and 34,612.60 is: 51,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,490.40 : 170,259.90 = 34,612.60 : x
  2. Step 2: Convert to fraction form
    113,490.40/170,259.90 = 34,612.60/x
  3. Step 3: Cross multiply
    113,490.40x = 170,259.90 × 34,612.60
  4. Step 4: Simplify right side
    113,490.40x = 5,893,137,814.74
  5. Step 5: Solve for x
    x = 5,893,137,814.74/113,490.40
  6. Step 6: Final answer
    x = 51,926.31

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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.