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Finding the Fourth Proportional to 91,181.84, 125,851.93 and 53,468.24

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Solution

The fourth proportional to 91,181.84, 125,851.93 and 53,468.24 is: 73,798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,181.84 : 125,851.93 = 53,468.24 : x
  2. Step 2: Convert to fraction form
    91,181.84/125,851.93 = 53,468.24/x
  3. Step 3: Cross multiply
    91,181.84x = 125,851.93 × 53,468.24
  4. Step 4: Simplify right side
    91,181.84x = 6,729,080,434.77
  5. Step 5: Solve for x
    x = 6,729,080,434.77/91,181.84
  6. Step 6: Final answer
    x = 73,798.48

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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.