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Finding the Fourth Proportional to 141,806.52, 212,746.68 and 53,066.88

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Solution

The fourth proportional to 141,806.52, 212,746.68 and 53,066.88 is: 79,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,806.52 : 212,746.68 = 53,066.88 : x
  2. Step 2: Convert to fraction form
    141,806.52/212,746.68 = 53,066.88/x
  3. Step 3: Cross multiply
    141,806.52x = 212,746.68 × 53,066.88
  4. Step 4: Simplify right side
    141,806.52x = 11,289,802,537.96
  5. Step 5: Solve for x
    x = 11,289,802,537.96/141,806.52
  6. Step 6: Final answer
    x = 79,614.13

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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.