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Finding the Fourth Proportional to 56,312.10, 77,710.92 and 36,169.16

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Solution

The fourth proportional to 56,312.10, 77,710.92 and 36,169.16 is: 49,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,312.10 : 77,710.92 = 36,169.16 : x
  2. Step 2: Convert to fraction form
    56,312.10/77,710.92 = 36,169.16/x
  3. Step 3: Cross multiply
    56,312.10x = 77,710.92 × 36,169.16
  4. Step 4: Simplify right side
    56,312.10x = 2,810,738,737.72
  5. Step 5: Solve for x
    x = 2,810,738,737.72/56,312.10
  6. Step 6: Final answer
    x = 49,913.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.