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Finding the Fourth Proportional to 303,979.67, 455,900.18 and 114,460.02

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Solution

The fourth proportional to 303,979.67, 455,900.18 and 114,460.02 is: 171,663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,979.67 : 455,900.18 = 114,460.02 : x
  2. Step 2: Convert to fraction form
    303,979.67/455,900.18 = 114,460.02/x
  3. Step 3: Cross multiply
    303,979.67x = 455,900.18 × 114,460.02
  4. Step 4: Simplify right side
    303,979.67x = 52,182,343,148.50
  5. Step 5: Solve for x
    x = 52,182,343,148.50/303,979.67
  6. Step 6: Final answer
    x = 171,663.93

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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.