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Finding the Fourth Proportional to 112,991.00, 155,927.16 and 62,004.59

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Solution

The fourth proportional to 112,991.00, 155,927.16 and 62,004.59 is: 85,566.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,991.00 : 155,927.16 = 62,004.59 : x
  2. Step 2: Convert to fraction form
    112,991.00/155,927.16 = 62,004.59/x
  3. Step 3: Cross multiply
    112,991.00x = 155,927.16 × 62,004.59
  4. Step 4: Simplify right side
    112,991.00x = 9,668,199,869.30
  5. Step 5: Solve for x
    x = 9,668,199,869.30/112,991.00
  6. Step 6: Final answer
    x = 85,566.10

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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.