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Finding the Fourth Proportional to 144,420.68, 216,577.96 and 49,623.96

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Solution

The fourth proportional to 144,420.68, 216,577.96 and 49,623.96 is: 74,417.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,420.68 : 216,577.96 = 49,623.96 : x
  2. Step 2: Convert to fraction form
    144,420.68/216,577.96 = 49,623.96/x
  3. Step 3: Cross multiply
    144,420.68x = 216,577.96 × 49,623.96
  4. Step 4: Simplify right side
    144,420.68x = 10,747,455,899.86
  5. Step 5: Solve for x
    x = 10,747,455,899.86/144,420.68
  6. Step 6: Final answer
    x = 74,417.71

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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.