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Finding the Fourth Proportional to 161,703.66, 242,589.09 and 68,210.22

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Solution

The fourth proportional to 161,703.66, 242,589.09 and 68,210.22 is: 102,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,703.66 : 242,589.09 = 68,210.22 : x
  2. Step 2: Convert to fraction form
    161,703.66/242,589.09 = 68,210.22/x
  3. Step 3: Cross multiply
    161,703.66x = 242,589.09 × 68,210.22
  4. Step 4: Simplify right side
    161,703.66x = 16,547,055,198.50
  5. Step 5: Solve for x
    x = 16,547,055,198.50/161,703.66
  6. Step 6: Final answer
    x = 102,329.50

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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.