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Finding the Fourth Proportional to 79,041.44, 118,510.08 and 47,380.16

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Solution

The fourth proportional to 79,041.44, 118,510.08 and 47,380.16 is: 71,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,041.44 : 118,510.08 = 47,380.16 : x
  2. Step 2: Convert to fraction form
    79,041.44/118,510.08 = 47,380.16/x
  3. Step 3: Cross multiply
    79,041.44x = 118,510.08 × 47,380.16
  4. Step 4: Simplify right side
    79,041.44x = 5,615,026,552.01
  5. Step 5: Solve for x
    x = 5,615,026,552.01/79,041.44
  6. Step 6: Final answer
    x = 71,039.02

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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.