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Finding the Fourth Proportional to 136,527.48, 204,758.40 and 69,933.32

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Solution

The fourth proportional to 136,527.48, 204,758.40 and 69,933.32 is: 104,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,527.48 : 204,758.40 = 69,933.32 : x
  2. Step 2: Convert to fraction form
    136,527.48/204,758.40 = 69,933.32/x
  3. Step 3: Cross multiply
    136,527.48x = 204,758.40 × 69,933.32
  4. Step 4: Simplify right side
    136,527.48x = 14,319,434,709.89
  5. Step 5: Solve for x
    x = 14,319,434,709.89/136,527.48
  6. Step 6: Final answer
    x = 104,883.17

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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.