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Finding the Fourth Proportional to 149,012.56, 223,737.56 and 93,090.96

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Solution

The fourth proportional to 149,012.56, 223,737.56 and 93,090.96 is: 139,773.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,012.56 : 223,737.56 = 93,090.96 : x
  2. Step 2: Convert to fraction form
    149,012.56/223,737.56 = 93,090.96/x
  3. Step 3: Cross multiply
    149,012.56x = 223,737.56 × 93,090.96
  4. Step 4: Simplify right side
    149,012.56x = 20,827,944,248.46
  5. Step 5: Solve for x
    x = 20,827,944,248.46/149,012.56
  6. Step 6: Final answer
    x = 139,773.08

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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.