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Finding the Fourth Proportional to 193,232.65, 266,663.68 and 144,748.68

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Solution

The fourth proportional to 193,232.65, 266,663.68 and 144,748.68 is: 199,755.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,232.65 : 266,663.68 = 144,748.68 : x
  2. Step 2: Convert to fraction form
    193,232.65/266,663.68 = 144,748.68/x
  3. Step 3: Cross multiply
    193,232.65x = 266,663.68 × 144,748.68
  4. Step 4: Simplify right side
    193,232.65x = 38,599,215,683.94
  5. Step 5: Solve for x
    x = 38,599,215,683.94/193,232.65
  6. Step 6: Final answer
    x = 199,755.14

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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.