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Finding the Fourth Proportional to 91,245.54, 125,917.62 and 53,026.71

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Solution

The fourth proportional to 91,245.54, 125,917.62 and 53,026.71 is: 73,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,245.54 : 125,917.62 = 53,026.71 : x
  2. Step 2: Convert to fraction form
    91,245.54/125,917.62 = 53,026.71/x
  3. Step 3: Cross multiply
    91,245.54x = 125,917.62 × 53,026.71
  4. Step 4: Simplify right side
    91,245.54x = 6,676,997,119.63
  5. Step 5: Solve for x
    x = 6,676,997,119.63/91,245.54
  6. Step 6: Final answer
    x = 73,176.15

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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.