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Finding the Fourth Proportional to 61,259.68, 91,803.32 and 48,724.07

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Solution

The fourth proportional to 61,259.68, 91,803.32 and 48,724.07 is: 73,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,259.68 : 91,803.32 = 48,724.07 : x
  2. Step 2: Convert to fraction form
    61,259.68/91,803.32 = 48,724.07/x
  3. Step 3: Cross multiply
    61,259.68x = 91,803.32 × 48,724.07
  4. Step 4: Simplify right side
    61,259.68x = 4,473,030,687.28
  5. Step 5: Solve for x
    x = 4,473,030,687.28/61,259.68
  6. Step 6: Final answer
    x = 73,017.54

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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.