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Finding the Fourth Proportional to 162,256.97, 223,914.63 and 90,637.00

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Solution

The fourth proportional to 162,256.97, 223,914.63 and 90,637.00 is: 125,079.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,256.97 : 223,914.63 = 90,637.00 : x
  2. Step 2: Convert to fraction form
    162,256.97/223,914.63 = 90,637.00/x
  3. Step 3: Cross multiply
    162,256.97x = 223,914.63 × 90,637.00
  4. Step 4: Simplify right side
    162,256.97x = 20,294,950,219.34
  5. Step 5: Solve for x
    x = 20,294,950,219.34/162,256.97
  6. Step 6: Final answer
    x = 125,079.06

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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.