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Finding the Fourth Proportional to 103,668.08, 155,499.96 and 29,796.08

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Solution

The fourth proportional to 103,668.08, 155,499.96 and 29,796.08 is: 44,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,668.08 : 155,499.96 = 29,796.08 : x
  2. Step 2: Convert to fraction form
    103,668.08/155,499.96 = 29,796.08/x
  3. Step 3: Cross multiply
    103,668.08x = 155,499.96 × 29,796.08
  4. Step 4: Simplify right side
    103,668.08x = 4,633,289,248.16
  5. Step 5: Solve for x
    x = 4,633,289,248.16/103,668.08
  6. Step 6: Final answer
    x = 44,693.50

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1.5x scale

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.