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Finding the Fourth Proportional to 148,357.01, 222,570.51 and 48,516.81

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Solution

The fourth proportional to 148,357.01, 222,570.51 and 48,516.81 is: 72,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,357.01 : 222,570.51 = 48,516.81 : x
  2. Step 2: Convert to fraction form
    148,357.01/222,570.51 = 48,516.81/x
  3. Step 3: Cross multiply
    148,357.01x = 222,570.51 × 48,516.81
  4. Step 4: Simplify right side
    148,357.01x = 10,798,411,145.27
  5. Step 5: Solve for x
    x = 10,798,411,145.27/148,357.01
  6. Step 6: Final answer
    x = 72,786.66

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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.