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Finding the Fourth Proportional to 182,971.60, 274,630.20 and 112,987.60

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Solution

The fourth proportional to 182,971.60, 274,630.20 and 112,987.60 is: 169,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,971.60 : 274,630.20 = 112,987.60 : x
  2. Step 2: Convert to fraction form
    182,971.60/274,630.20 = 112,987.60/x
  3. Step 3: Cross multiply
    182,971.60x = 274,630.20 × 112,987.60
  4. Step 4: Simplify right side
    182,971.60x = 31,029,807,185.52
  5. Step 5: Solve for x
    x = 31,029,807,185.52/182,971.60
  6. Step 6: Final answer
    x = 169,588.11

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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.