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Finding the Fourth Proportional to 163,566.76, 225,893.48 and 112,711.72

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Solution

The fourth proportional to 163,566.76, 225,893.48 and 112,711.72 is: 155,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,566.76 : 225,893.48 = 112,711.72 : x
  2. Step 2: Convert to fraction form
    163,566.76/225,893.48 = 112,711.72/x
  3. Step 3: Cross multiply
    163,566.76x = 225,893.48 × 112,711.72
  4. Step 4: Simplify right side
    163,566.76x = 25,460,842,667.59
  5. Step 5: Solve for x
    x = 25,460,842,667.59/163,566.76
  6. Step 6: Final answer
    x = 155,660.25

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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.