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Finding the Fourth Proportional to 162,169.80, 223,792.26 and 90,551.08

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Solution

The fourth proportional to 162,169.80, 223,792.26 and 90,551.08 is: 124,959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,169.80 : 223,792.26 = 90,551.08 : x
  2. Step 2: Convert to fraction form
    162,169.80/223,792.26 = 90,551.08/x
  3. Step 3: Cross multiply
    162,169.80x = 223,792.26 × 90,551.08
  4. Step 4: Simplify right side
    162,169.80x = 20,264,630,838.64
  5. Step 5: Solve for x
    x = 20,264,630,838.64/162,169.80
  6. Step 6: Final answer
    x = 124,959.34

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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.