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Finding the Fourth Proportional to 201,252.56, 278,011.90 and 190,623.74

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Solution

The fourth proportional to 201,252.56, 278,011.90 and 190,623.74 is: 263,329.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,252.56 : 278,011.90 = 190,623.74 : x
  2. Step 2: Convert to fraction form
    201,252.56/278,011.90 = 190,623.74/x
  3. Step 3: Cross multiply
    201,252.56x = 278,011.90 × 190,623.74
  4. Step 4: Simplify right side
    201,252.56x = 52,995,668,142.51
  5. Step 5: Solve for x
    x = 52,995,668,142.51/201,252.56
  6. Step 6: Final answer
    x = 263,329.16

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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.