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Finding the Fourth Proportional to 106,326.29, 146,751.53 and 61,034.89

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Solution

The fourth proportional to 106,326.29, 146,751.53 and 61,034.89 is: 84,240.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,326.29 : 146,751.53 = 61,034.89 : x
  2. Step 2: Convert to fraction form
    106,326.29/146,751.53 = 61,034.89/x
  3. Step 3: Cross multiply
    106,326.29x = 146,751.53 × 61,034.89
  4. Step 4: Simplify right side
    106,326.29x = 8,956,963,490.88
  5. Step 5: Solve for x
    x = 8,956,963,490.88/106,326.29
  6. Step 6: Final answer
    x = 84,240.35

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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.