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Finding the Fourth Proportional to 148,716, 223,030.26 and 43,509.96

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Solution

The fourth proportional to 148,716, 223,030.26 and 43,509.96 is: 65,252.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,716 : 223,030.26 = 43,509.96 : x
  2. Step 2: Convert to fraction form
    148,716/223,030.26 = 43,509.96/x
  3. Step 3: Cross multiply
    148,716x = 223,030.26 × 43,509.96
  4. Step 4: Simplify right side
    148,716x = 9,704,037,691.39
  5. Step 5: Solve for x
    x = 9,704,037,691.39/148,716
  6. Step 6: Final answer
    x = 65,252.14

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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.