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Finding the Fourth Proportional to 65,744.04, 90,801.66 and 44,196.42

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Solution

The fourth proportional to 65,744.04, 90,801.66 and 44,196.42 is: 61,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,744.04 : 90,801.66 = 44,196.42 : x
  2. Step 2: Convert to fraction form
    65,744.04/90,801.66 = 44,196.42/x
  3. Step 3: Cross multiply
    65,744.04x = 90,801.66 × 44,196.42
  4. Step 4: Simplify right side
    65,744.04x = 4,013,108,302.06
  5. Step 5: Solve for x
    x = 4,013,108,302.06/65,744.04
  6. Step 6: Final answer
    x = 61,041.40

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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.