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Finding the Fourth Proportional to 206,341.65, 309,557.01 and 64,184.22

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Solution

The fourth proportional to 206,341.65, 309,557.01 and 64,184.22 is: 96,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,341.65 : 309,557.01 = 64,184.22 : x
  2. Step 2: Convert to fraction form
    206,341.65/309,557.01 = 64,184.22/x
  3. Step 3: Cross multiply
    206,341.65x = 309,557.01 × 64,184.22
  4. Step 4: Simplify right side
    206,341.65x = 19,868,675,232.38
  5. Step 5: Solve for x
    x = 19,868,675,232.38/206,341.65
  6. Step 6: Final answer
    x = 96,290.18

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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.