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Finding the Fourth Proportional to 314,665.68, 472,045.03 and 114,939.35

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Solution

The fourth proportional to 314,665.68, 472,045.03 and 114,939.35 is: 172,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,665.68 : 472,045.03 = 114,939.35 : x
  2. Step 2: Convert to fraction form
    314,665.68/472,045.03 = 114,939.35/x
  3. Step 3: Cross multiply
    314,665.68x = 472,045.03 × 114,939.35
  4. Step 4: Simplify right side
    314,665.68x = 54,256,548,918.93
  5. Step 5: Solve for x
    x = 54,256,548,918.93/314,665.68
  6. Step 6: Final answer
    x = 172,426.01

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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.