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Finding the Fourth Proportional to 158,051.68, 236,953.68 and 79,126.24

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Solution

The fourth proportional to 158,051.68, 236,953.68 and 79,126.24 is: 118,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,051.68 : 236,953.68 = 79,126.24 : x
  2. Step 2: Convert to fraction form
    158,051.68/236,953.68 = 79,126.24/x
  3. Step 3: Cross multiply
    158,051.68x = 236,953.68 × 79,126.24
  4. Step 4: Simplify right side
    158,051.68x = 18,749,253,752.56
  5. Step 5: Solve for x
    x = 18,749,253,752.56/158,051.68
  6. Step 6: Final answer
    x = 118,627.36

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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.