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Finding the Fourth Proportional to 141,751.89, 212,598.63 and 62,815.77

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Solution

The fourth proportional to 141,751.89, 212,598.63 and 62,815.77 is: 94,210.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,751.89 : 212,598.63 = 62,815.77 : x
  2. Step 2: Convert to fraction form
    141,751.89/212,598.63 = 62,815.77/x
  3. Step 3: Cross multiply
    141,751.89x = 212,598.63 × 62,815.77
  4. Step 4: Simplify right side
    141,751.89x = 13,354,546,644.40
  5. Step 5: Solve for x
    x = 13,354,546,644.40/141,751.89
  6. Step 6: Final answer
    x = 94,210.71

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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.