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Finding the Fourth Proportional to 98,626.04, 136,106.02 and 53,914.04

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Solution

The fourth proportional to 98,626.04, 136,106.02 and 53,914.04 is: 74,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,626.04 : 136,106.02 = 53,914.04 : x
  2. Step 2: Convert to fraction form
    98,626.04/136,106.02 = 53,914.04/x
  3. Step 3: Cross multiply
    98,626.04x = 136,106.02 × 53,914.04
  4. Step 4: Simplify right side
    98,626.04x = 7,338,025,406.52
  5. Step 5: Solve for x
    x = 7,338,025,406.52/98,626.04
  6. Step 6: Final answer
    x = 74,402.51

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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.