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Finding the Fourth Proportional to 174,761.60, 261,753.60 and 143,657.60

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Solution

The fourth proportional to 174,761.60, 261,753.60 and 143,657.60 is: 215,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,761.60 : 261,753.60 = 143,657.60 : x
  2. Step 2: Convert to fraction form
    174,761.60/261,753.60 = 143,657.60/x
  3. Step 3: Cross multiply
    174,761.60x = 261,753.60 × 143,657.60
  4. Step 4: Simplify right side
    174,761.60x = 37,602,893,967.36
  5. Step 5: Solve for x
    x = 37,602,893,967.36/174,761.60
  6. Step 6: Final answer
    x = 215,166.80

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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.