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Finding the Fourth Proportional to 141,714.70, 212,602.04 and 46,939.52

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Solution

The fourth proportional to 141,714.70, 212,602.04 and 46,939.52 is: 70,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,714.70 : 212,602.04 = 46,939.52 : x
  2. Step 2: Convert to fraction form
    141,714.70/212,602.04 = 46,939.52/x
  3. Step 3: Cross multiply
    141,714.70x = 212,602.04 × 46,939.52
  4. Step 4: Simplify right side
    141,714.70x = 9,979,437,708.62
  5. Step 5: Solve for x
    x = 9,979,437,708.62/141,714.70
  6. Step 6: Final answer
    x = 70,419.21

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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.