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Finding the Fourth Proportional to 109,317.99, 150,866.67 and 60,923.18

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Solution

The fourth proportional to 109,317.99, 150,866.67 and 60,923.18 is: 84,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,317.99 : 150,866.67 = 60,923.18 : x
  2. Step 2: Convert to fraction form
    109,317.99/150,866.67 = 60,923.18/x
  3. Step 3: Cross multiply
    109,317.99x = 150,866.67 × 60,923.18
  4. Step 4: Simplify right side
    109,317.99x = 9,191,276,538.08
  5. Step 5: Solve for x
    x = 9,191,276,538.08/109,317.99
  6. Step 6: Final answer
    x = 84,078.35

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1.5x scale

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.