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Finding the Fourth Proportional to 121,812.89, 182,739.03 and 37,553.34

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Solution

The fourth proportional to 121,812.89, 182,739.03 and 37,553.34 is: 56,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,812.89 : 182,739.03 = 37,553.34 : x
  2. Step 2: Convert to fraction form
    121,812.89/182,739.03 = 37,553.34/x
  3. Step 3: Cross multiply
    121,812.89x = 182,739.03 × 37,553.34
  4. Step 4: Simplify right side
    121,812.89x = 6,862,460,924.86
  5. Step 5: Solve for x
    x = 6,862,460,924.86/121,812.89
  6. Step 6: Final answer
    x = 56,336.08

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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.