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Finding the Fourth Proportional to 223,853.66, 335,802.59 and 72,068.12

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Solution

The fourth proportional to 223,853.66, 335,802.59 and 72,068.12 is: 108,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,853.66 : 335,802.59 = 72,068.12 : x
  2. Step 2: Convert to fraction form
    223,853.66/335,802.59 = 72,068.12/x
  3. Step 3: Cross multiply
    223,853.66x = 335,802.59 × 72,068.12
  4. Step 4: Simplify right side
    223,853.66x = 24,200,661,352.43
  5. Step 5: Solve for x
    x = 24,200,661,352.43/223,853.66
  6. Step 6: Final answer
    x = 108,109.29

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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.