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Finding the Fourth Proportional to 254,051.60, 381,077.54 and 64,526.18

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Solution

The fourth proportional to 254,051.60, 381,077.54 and 64,526.18 is: 96,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,051.60 : 381,077.54 = 64,526.18 : x
  2. Step 2: Convert to fraction form
    254,051.60/381,077.54 = 64,526.18/x
  3. Step 3: Cross multiply
    254,051.60x = 381,077.54 × 64,526.18
  4. Step 4: Simplify right side
    254,051.60x = 24,589,476,316.91
  5. Step 5: Solve for x
    x = 24,589,476,316.91/254,051.60
  6. Step 6: Final answer
    x = 96,789.30

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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.