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Finding the Fourth Proportional to 189,324.59, 261,263.72 and 104,441.63

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Solution

The fourth proportional to 189,324.59, 261,263.72 and 104,441.63 is: 144,127.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,324.59 : 261,263.72 = 104,441.63 : x
  2. Step 2: Convert to fraction form
    189,324.59/261,263.72 = 104,441.63/x
  3. Step 3: Cross multiply
    189,324.59x = 261,263.72 × 104,441.63
  4. Step 4: Simplify right side
    189,324.59x = 27,286,807,731.45
  5. Step 5: Solve for x
    x = 27,286,807,731.45/189,324.59
  6. Step 6: Final answer
    x = 144,127.12

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1.5x scale

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.