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Finding the Fourth Proportional to 134,570.53, 201,860.54 and 71,305.16

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Solution

The fourth proportional to 134,570.53, 201,860.54 and 71,305.16 is: 106,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,570.53 : 201,860.54 = 71,305.16 : x
  2. Step 2: Convert to fraction form
    134,570.53/201,860.54 = 71,305.16/x
  3. Step 3: Cross multiply
    134,570.53x = 201,860.54 × 71,305.16
  4. Step 4: Simplify right side
    134,570.53x = 14,393,697,745.86
  5. Step 5: Solve for x
    x = 14,393,697,745.86/134,570.53
  6. Step 6: Final answer
    x = 106,960.26

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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.