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Finding the Fourth Proportional to 134,329.66, 201,051.59 and 74,265.80

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Solution

The fourth proportional to 134,329.66, 201,051.59 and 74,265.80 is: 111,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,329.66 : 201,051.59 = 74,265.80 : x
  2. Step 2: Convert to fraction form
    134,329.66/201,051.59 = 74,265.80/x
  3. Step 3: Cross multiply
    134,329.66x = 201,051.59 × 74,265.80
  4. Step 4: Simplify right side
    134,329.66x = 14,931,255,796.04
  5. Step 5: Solve for x
    x = 14,931,255,796.04/134,329.66
  6. Step 6: Final answer
    x = 111,153.83

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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.