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Finding the Fourth Proportional to 313,113.52, 469,748 and 91,497.52

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Solution

The fourth proportional to 313,113.52, 469,748 and 91,497.52 is: 137,268.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,113.52 : 469,748 = 91,497.52 : x
  2. Step 2: Convert to fraction form
    313,113.52/469,748 = 91,497.52/x
  3. Step 3: Cross multiply
    313,113.52x = 469,748 × 91,497.52
  4. Step 4: Simplify right side
    313,113.52x = 42,980,777,024.96
  5. Step 5: Solve for x
    x = 42,980,777,024.96/313,113.52
  6. Step 6: Final answer
    x = 137,268.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.