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Finding the Fourth Proportional to 189,025.47, 260,679.95 and 137,957.32

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Solution

The fourth proportional to 189,025.47, 260,679.95 and 137,957.32 is: 190,253.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,025.47 : 260,679.95 = 137,957.32 : x
  2. Step 2: Convert to fraction form
    189,025.47/260,679.95 = 137,957.32/x
  3. Step 3: Cross multiply
    189,025.47x = 260,679.95 × 137,957.32
  4. Step 4: Simplify right side
    189,025.47x = 35,962,706,311.97
  5. Step 5: Solve for x
    x = 35,962,706,311.97/189,025.47
  6. Step 6: Final answer
    x = 190,253.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.