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Finding the Fourth Proportional to 73,805.14, 101,851.49 and 40,271.86

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Solution

The fourth proportional to 73,805.14, 101,851.49 and 40,271.86 is: 55,575.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,805.14 : 101,851.49 = 40,271.86 : x
  2. Step 2: Convert to fraction form
    73,805.14/101,851.49 = 40,271.86/x
  3. Step 3: Cross multiply
    73,805.14x = 101,851.49 × 40,271.86
  4. Step 4: Simplify right side
    73,805.14x = 4,101,748,946.07
  5. Step 5: Solve for x
    x = 4,101,748,946.07/73,805.14
  6. Step 6: Final answer
    x = 55,575.38

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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.