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Finding the Fourth Proportional to 101,343.80, 151,818.84 and 48,790.16

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Solution

The fourth proportional to 101,343.80, 151,818.84 and 48,790.16 is: 73,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,343.80 : 151,818.84 = 48,790.16 : x
  2. Step 2: Convert to fraction form
    101,343.80/151,818.84 = 48,790.16/x
  3. Step 3: Cross multiply
    101,343.80x = 151,818.84 × 48,790.16
  4. Step 4: Simplify right side
    101,343.80x = 7,407,265,494.61
  5. Step 5: Solve for x
    x = 7,407,265,494.61/101,343.80
  6. Step 6: Final answer
    x = 73,090.47

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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.