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Finding the Fourth Proportional to 61,804.16, 92,707.04 and 40,878.08

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Solution

The fourth proportional to 61,804.16, 92,707.04 and 40,878.08 is: 61,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,804.16 : 92,707.04 = 40,878.08 : x
  2. Step 2: Convert to fraction form
    61,804.16/92,707.04 = 40,878.08/x
  3. Step 3: Cross multiply
    61,804.16x = 92,707.04 × 40,878.08
  4. Step 4: Simplify right side
    61,804.16x = 3,789,685,797.68
  5. Step 5: Solve for x
    x = 3,789,685,797.68/61,804.16
  6. Step 6: Final answer
    x = 61,317.65

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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.