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Finding the Fourth Proportional to 98,625.04, 136,104.64 and 53,913.04

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Solution

The fourth proportional to 98,625.04, 136,104.64 and 53,913.04 is: 74,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,625.04 : 136,104.64 = 53,913.04 : x
  2. Step 2: Convert to fraction form
    98,625.04/136,104.64 = 53,913.04/x
  3. Step 3: Cross multiply
    98,625.04x = 136,104.64 × 53,913.04
  4. Step 4: Simplify right side
    98,625.04x = 7,337,814,900.51
  5. Step 5: Solve for x
    x = 7,337,814,900.51/98,625.04
  6. Step 6: Final answer
    x = 74,401.13

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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.