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Finding the Fourth Proportional to 162,116.97, 223,743.90 and 90,501.63

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Solution

The fourth proportional to 162,116.97, 223,743.90 and 90,501.63 is: 124,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,116.97 : 223,743.90 = 90,501.63 : x
  2. Step 2: Convert to fraction form
    162,116.97/223,743.90 = 90,501.63/x
  3. Step 3: Cross multiply
    162,116.97x = 223,743.90 × 90,501.63
  4. Step 4: Simplify right side
    162,116.97x = 20,249,187,652.56
  5. Step 5: Solve for x
    x = 20,249,187,652.56/162,116.97
  6. Step 6: Final answer
    x = 124,904.80

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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.