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Finding the Fourth Proportional to 114,701.58, 172,013.15 and 43,607.07

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Solution

The fourth proportional to 114,701.58, 172,013.15 and 43,607.07 is: 65,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,701.58 : 172,013.15 = 43,607.07 : x
  2. Step 2: Convert to fraction form
    114,701.58/172,013.15 = 43,607.07/x
  3. Step 3: Cross multiply
    114,701.58x = 172,013.15 × 43,607.07
  4. Step 4: Simplify right side
    114,701.58x = 7,500,988,394.87
  5. Step 5: Solve for x
    x = 7,500,988,394.87/114,701.58
  6. Step 6: Final answer
    x = 65,395.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.