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Finding the Fourth Proportional to 174,841.60, 262,262.40 and 74,984.80

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Solution

The fourth proportional to 174,841.60, 262,262.40 and 74,984.80 is: 112,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,841.60 : 262,262.40 = 74,984.80 : x
  2. Step 2: Convert to fraction form
    174,841.60/262,262.40 = 74,984.80/x
  3. Step 3: Cross multiply
    174,841.60x = 262,262.40 × 74,984.80
  4. Step 4: Simplify right side
    174,841.60x = 19,665,693,611.52
  5. Step 5: Solve for x
    x = 19,665,693,611.52/174,841.60
  6. Step 6: Final answer
    x = 112,477.20

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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.