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Finding the Fourth Proportional to 201,359.58, 277,870.47 and 110,715.42

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Solution

The fourth proportional to 201,359.58, 277,870.47 and 110,715.42 is: 152,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,359.58 : 277,870.47 = 110,715.42 : x
  2. Step 2: Convert to fraction form
    201,359.58/277,870.47 = 110,715.42/x
  3. Step 3: Cross multiply
    201,359.58x = 277,870.47 × 110,715.42
  4. Step 4: Simplify right side
    201,359.58x = 30,764,545,791.65
  5. Step 5: Solve for x
    x = 30,764,545,791.65/201,359.58
  6. Step 6: Final answer
    x = 152,784.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.