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Finding the Fourth Proportional to 162,092.80, 223,678.93 and 90,477.43

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Solution

The fourth proportional to 162,092.80, 223,678.93 and 90,477.43 is: 124,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,092.80 : 223,678.93 = 90,477.43 : x
  2. Step 2: Convert to fraction form
    162,092.80/223,678.93 = 90,477.43/x
  3. Step 3: Cross multiply
    162,092.80x = 223,678.93 × 90,477.43
  4. Step 4: Simplify right side
    162,092.80x = 20,237,894,731.55
  5. Step 5: Solve for x
    x = 20,237,894,731.55/162,092.80
  6. Step 6: Final answer
    x = 124,853.75

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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.