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Finding the Fourth Proportional to 165,189.52, 247,783.80 and 46,860.88

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Solution

The fourth proportional to 165,189.52, 247,783.80 and 46,860.88 is: 70,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,189.52 : 247,783.80 = 46,860.88 : x
  2. Step 2: Convert to fraction form
    165,189.52/247,783.80 = 46,860.88/x
  3. Step 3: Cross multiply
    165,189.52x = 247,783.80 × 46,860.88
  4. Step 4: Simplify right side
    165,189.52x = 11,611,366,917.74
  5. Step 5: Solve for x
    x = 11,611,366,917.74/165,189.52
  6. Step 6: Final answer
    x = 70,291.18

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1.5x scale

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.