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Finding the Fourth Proportional to 207,018.48, 310,527.72 and 133,613.04

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Solution

The fourth proportional to 207,018.48, 310,527.72 and 133,613.04 is: 200,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,018.48 : 310,527.72 = 133,613.04 : x
  2. Step 2: Convert to fraction form
    207,018.48/310,527.72 = 133,613.04/x
  3. Step 3: Cross multiply
    207,018.48x = 310,527.72 × 133,613.04
  4. Step 4: Simplify right side
    207,018.48x = 41,490,552,673.47
  5. Step 5: Solve for x
    x = 41,490,552,673.47/207,018.48
  6. Step 6: Final answer
    x = 200,419.56

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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.