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Finding the Fourth Proportional to 163,705.52, 225,849.66 and 92,069.12

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Solution

The fourth proportional to 163,705.52, 225,849.66 and 92,069.12 is: 127,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,705.52 : 225,849.66 = 92,069.12 : x
  2. Step 2: Convert to fraction form
    163,705.52/225,849.66 = 92,069.12/x
  3. Step 3: Cross multiply
    163,705.52x = 225,849.66 × 92,069.12
  4. Step 4: Simplify right side
    163,705.52x = 20,793,779,448.50
  5. Step 5: Solve for x
    x = 20,793,779,448.50/163,705.52
  6. Step 6: Final answer
    x = 127,019.42

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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.