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Finding the Fourth Proportional to 61,803.90, 92,734.65 and 46,251.90

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Solution

The fourth proportional to 61,803.90, 92,734.65 and 46,251.90 is: 69,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,803.90 : 92,734.65 = 46,251.90 : x
  2. Step 2: Convert to fraction form
    61,803.90/92,734.65 = 46,251.90/x
  3. Step 3: Cross multiply
    61,803.90x = 92,734.65 × 46,251.90
  4. Step 4: Simplify right side
    61,803.90x = 4,289,153,758.34
  5. Step 5: Solve for x
    x = 4,289,153,758.34/61,803.90
  6. Step 6: Final answer
    x = 69,399.40

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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.