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Finding the Fourth Proportional to 143,113, 214,669.52 and 44,617

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Solution

The fourth proportional to 143,113, 214,669.52 and 44,617 is: 66,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,113 : 214,669.52 = 44,617 : x
  2. Step 2: Convert to fraction form
    143,113/214,669.52 = 44,617/x
  3. Step 3: Cross multiply
    143,113x = 214,669.52 × 44,617
  4. Step 4: Simplify right side
    143,113x = 9,577,909,973.84
  5. Step 5: Solve for x
    x = 9,577,909,973.84/143,113
  6. Step 6: Final answer
    x = 66,925.51

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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.