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Finding the Fourth Proportional to 164,805.30, 247,317.30 and 93,727.80

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Solution

The fourth proportional to 164,805.30, 247,317.30 and 93,727.80 is: 140,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,805.30 : 247,317.30 = 93,727.80 : x
  2. Step 2: Convert to fraction form
    164,805.30/247,317.30 = 93,727.80/x
  3. Step 3: Cross multiply
    164,805.30x = 247,317.30 × 93,727.80
  4. Step 4: Simplify right side
    164,805.30x = 23,180,506,430.94
  5. Step 5: Solve for x
    x = 23,180,506,430.94/164,805.30
  6. Step 6: Final answer
    x = 140,653.89

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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.