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Finding the Fourth Proportional to 333,335.31, 500,115.18 and 105,668.10

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Solution

The fourth proportional to 333,335.31, 500,115.18 and 105,668.10 is: 158,537.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,335.31 : 500,115.18 = 105,668.10 : x
  2. Step 2: Convert to fraction form
    333,335.31/500,115.18 = 105,668.10/x
  3. Step 3: Cross multiply
    333,335.31x = 500,115.18 × 105,668.10
  4. Step 4: Simplify right side
    333,335.31x = 52,846,220,851.76
  5. Step 5: Solve for x
    x = 52,846,220,851.76/333,335.31
  6. Step 6: Final answer
    x = 158,537.72

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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.