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Finding the Fourth Proportional to 72,762.96, 108,986.52 and 44,599.32

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Solution

The fourth proportional to 72,762.96, 108,986.52 and 44,599.32 is: 66,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,762.96 : 108,986.52 = 44,599.32 : x
  2. Step 2: Convert to fraction form
    72,762.96/108,986.52 = 44,599.32/x
  3. Step 3: Cross multiply
    72,762.96x = 108,986.52 × 44,599.32
  4. Step 4: Simplify right side
    72,762.96x = 4,860,724,681.17
  5. Step 5: Solve for x
    x = 4,860,724,681.17/72,762.96
  6. Step 6: Final answer
    x = 66,802.18

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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.