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Finding the Fourth Proportional to 134,477.48, 201,738.09 and 39,717.24

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Solution

The fourth proportional to 134,477.48, 201,738.09 and 39,717.24 is: 59,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,477.48 : 201,738.09 = 39,717.24 : x
  2. Step 2: Convert to fraction form
    134,477.48/201,738.09 = 39,717.24/x
  3. Step 3: Cross multiply
    134,477.48x = 201,738.09 × 39,717.24
  4. Step 4: Simplify right side
    134,477.48x = 8,012,480,137.67
  5. Step 5: Solve for x
    x = 8,012,480,137.67/134,477.48
  6. Step 6: Final answer
    x = 59,582.32

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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.