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Finding the Fourth Proportional to 207,174.65, 285,706.16 and 191,711.35

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Solution

The fourth proportional to 207,174.65, 285,706.16 and 191,711.35 is: 264,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,174.65 : 285,706.16 = 191,711.35 : x
  2. Step 2: Convert to fraction form
    207,174.65/285,706.16 = 191,711.35/x
  3. Step 3: Cross multiply
    207,174.65x = 285,706.16 × 191,711.35
  4. Step 4: Simplify right side
    207,174.65x = 54,773,111,964.09
  5. Step 5: Solve for x
    x = 54,773,111,964.09/207,174.65
  6. Step 6: Final answer
    x = 264,381.34

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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.