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Finding the Fourth Proportional to 114,852.56, 158,527.72 and 74,564.08

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Solution

The fourth proportional to 114,852.56, 158,527.72 and 74,564.08 is: 102,918.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,852.56 : 158,527.72 = 74,564.08 : x
  2. Step 2: Convert to fraction form
    114,852.56/158,527.72 = 74,564.08/x
  3. Step 3: Cross multiply
    114,852.56x = 158,527.72 × 74,564.08
  4. Step 4: Simplify right side
    114,852.56x = 11,820,473,596.30
  5. Step 5: Solve for x
    x = 11,820,473,596.30/114,852.56
  6. Step 6: Final answer
    x = 102,918.68

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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.