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Finding the Fourth Proportional to 178,393.01, 246,311.51 and 114,841.53

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Solution

The fourth proportional to 178,393.01, 246,311.51 and 114,841.53 is: 158,564.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,393.01 : 246,311.51 = 114,841.53 : x
  2. Step 2: Convert to fraction form
    178,393.01/246,311.51 = 114,841.53/x
  3. Step 3: Cross multiply
    178,393.01x = 246,311.51 × 114,841.53
  4. Step 4: Simplify right side
    178,393.01x = 28,286,790,090.80
  5. Step 5: Solve for x
    x = 28,286,790,090.80/178,393.01
  6. Step 6: Final answer
    x = 158,564.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.