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Finding the Fourth Proportional to 201,505.04, 302,060.52 and 75,052.64

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Solution

The fourth proportional to 201,505.04, 302,060.52 and 75,052.64 is: 112,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,505.04 : 302,060.52 = 75,052.64 : x
  2. Step 2: Convert to fraction form
    201,505.04/302,060.52 = 75,052.64/x
  3. Step 3: Cross multiply
    201,505.04x = 302,060.52 × 75,052.64
  4. Step 4: Simplify right side
    201,505.04x = 22,670,439,465.77
  5. Step 5: Solve for x
    x = 22,670,439,465.77/201,505.04
  6. Step 6: Final answer
    x = 112,505.57

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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.