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Finding the Fourth Proportional to 170,030.94, 234,644.01 and 106,404.90

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Solution

The fourth proportional to 170,030.94, 234,644.01 and 106,404.90 is: 146,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,030.94 : 234,644.01 = 106,404.90 : x
  2. Step 2: Convert to fraction form
    170,030.94/234,644.01 = 106,404.90/x
  3. Step 3: Cross multiply
    170,030.94x = 234,644.01 × 106,404.90
  4. Step 4: Simplify right side
    170,030.94x = 24,967,272,419.65
  5. Step 5: Solve for x
    x = 24,967,272,419.65/170,030.94
  6. Step 6: Final answer
    x = 146,839.58

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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.