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Finding the Fourth Proportional to 341,262.08, 511,673.96 and 141,720.16

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Solution

The fourth proportional to 341,262.08, 511,673.96 and 141,720.16 is: 212,489.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,262.08 : 511,673.96 = 141,720.16 : x
  2. Step 2: Convert to fraction form
    341,262.08/511,673.96 = 141,720.16/x
  3. Step 3: Cross multiply
    341,262.08x = 511,673.96 × 141,720.16
  4. Step 4: Simplify right side
    341,262.08x = 72,514,515,479.03
  5. Step 5: Solve for x
    x = 72,514,515,479.03/341,262.08
  6. Step 6: Final answer
    x = 212,489.23

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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.