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Finding the Fourth Proportional to 162,328.84, 223,999.23 and 90,698.92

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Solution

The fourth proportional to 162,328.84, 223,999.23 and 90,698.92 is: 125,156.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,328.84 : 223,999.23 = 90,698.92 : x
  2. Step 2: Convert to fraction form
    162,328.84/223,999.23 = 90,698.92/x
  3. Step 3: Cross multiply
    162,328.84x = 223,999.23 × 90,698.92
  4. Step 4: Simplify right side
    162,328.84x = 20,316,488,241.83
  5. Step 5: Solve for x
    x = 20,316,488,241.83/162,328.84
  6. Step 6: Final answer
    x = 125,156.37

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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.