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Finding the Fourth Proportional to 141,807.46, 212,689.32 and 62,907.79

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Solution

The fourth proportional to 141,807.46, 212,689.32 and 62,907.79 is: 94,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,807.46 : 212,689.32 = 62,907.79 : x
  2. Step 2: Convert to fraction form
    141,807.46/212,689.32 = 62,907.79/x
  3. Step 3: Cross multiply
    141,807.46x = 212,689.32 × 62,907.79
  4. Step 4: Simplify right side
    141,807.46x = 13,379,815,077.80
  5. Step 5: Solve for x
    x = 13,379,815,077.80/141,807.46
  6. Step 6: Final answer
    x = 94,351.98

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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.