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Finding the Fourth Proportional to 61,402.68, 92,206.74 and 53,678.52

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Solution

The fourth proportional to 61,402.68, 92,206.74 and 53,678.52 is: 80,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,402.68 : 92,206.74 = 53,678.52 : x
  2. Step 2: Convert to fraction form
    61,402.68/92,206.74 = 53,678.52/x
  3. Step 3: Cross multiply
    61,402.68x = 92,206.74 × 53,678.52
  4. Step 4: Simplify right side
    61,402.68x = 4,949,521,337.22
  5. Step 5: Solve for x
    x = 4,949,521,337.22/61,402.68
  6. Step 6: Final answer
    x = 80,607.58

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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.