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Finding the Fourth Proportional to 72,902.42, 100,602.87 and 44,608.10

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Solution

The fourth proportional to 72,902.42, 100,602.87 and 44,608.10 is: 61,557.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,902.42 : 100,602.87 = 44,608.10 : x
  2. Step 2: Convert to fraction form
    72,902.42/100,602.87 = 44,608.10/x
  3. Step 3: Cross multiply
    72,902.42x = 100,602.87 × 44,608.10
  4. Step 4: Simplify right side
    72,902.42x = 4,487,702,969.47
  5. Step 5: Solve for x
    x = 4,487,702,969.47/72,902.42
  6. Step 6: Final answer
    x = 61,557.67

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Why These Related Problems?

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