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Finding the Fourth Proportional to 73,293.19, 101,147.09 and 43,078.08

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Solution

The fourth proportional to 73,293.19, 101,147.09 and 43,078.08 is: 59,449.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,293.19 : 101,147.09 = 43,078.08 : x
  2. Step 2: Convert to fraction form
    73,293.19/101,147.09 = 43,078.08/x
  3. Step 3: Cross multiply
    73,293.19x = 101,147.09 × 43,078.08
  4. Step 4: Simplify right side
    73,293.19x = 4,357,222,434.79
  5. Step 5: Solve for x
    x = 4,357,222,434.79/73,293.19
  6. Step 6: Final answer
    x = 59,449.21

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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.