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Finding the Fourth Proportional to 162,257.00, 223,914.64 and 90,637.02

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Solution

The fourth proportional to 162,257.00, 223,914.64 and 90,637.02 is: 125,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,257.00 : 223,914.64 = 90,637.02 : x
  2. Step 2: Convert to fraction form
    162,257.00/223,914.64 = 90,637.02/x
  3. Step 3: Cross multiply
    162,257.00x = 223,914.64 × 90,637.02
  4. Step 4: Simplify right side
    162,257.00x = 20,294,955,370.78
  5. Step 5: Solve for x
    x = 20,294,955,370.78/162,257.00
  6. Step 6: Final answer
    x = 125,079.08

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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.