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Finding the Fourth Proportional to 111,641.08, 153,958.92 and 73,333.24

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Solution

The fourth proportional to 111,641.08, 153,958.92 and 73,333.24 is: 101,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,641.08 : 153,958.92 = 73,333.24 : x
  2. Step 2: Convert to fraction form
    111,641.08/153,958.92 = 73,333.24/x
  3. Step 3: Cross multiply
    111,641.08x = 153,958.92 × 73,333.24
  4. Step 4: Simplify right side
    111,641.08x = 11,290,306,430.50
  5. Step 5: Solve for x
    x = 11,290,306,430.50/111,641.08
  6. Step 6: Final answer
    x = 101,130.39

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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.