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Finding the Fourth Proportional to 134,478.22, 201,659 and 45,707.89

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Solution

The fourth proportional to 134,478.22, 201,659 and 45,707.89 is: 68,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,478.22 : 201,659 = 45,707.89 : x
  2. Step 2: Convert to fraction form
    134,478.22/201,659 = 45,707.89/x
  3. Step 3: Cross multiply
    134,478.22x = 201,659 × 45,707.89
  4. Step 4: Simplify right side
    134,478.22x = 9,217,407,389.51
  5. Step 5: Solve for x
    x = 9,217,407,389.51/134,478.22
  6. Step 6: Final answer
    x = 68,542.01

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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.