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Finding the Fourth Proportional to 162,007.93, 223,582.17 and 90,401.91

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Solution

The fourth proportional to 162,007.93, 223,582.17 and 90,401.91 is: 124,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,007.93 : 223,582.17 = 90,401.91 : x
  2. Step 2: Convert to fraction form
    162,007.93/223,582.17 = 90,401.91/x
  3. Step 3: Cross multiply
    162,007.93x = 223,582.17 × 90,401.91
  4. Step 4: Simplify right side
    162,007.93x = 20,212,255,209.94
  5. Step 5: Solve for x
    x = 20,212,255,209.94/162,007.93
  6. Step 6: Final answer
    x = 124,760.90

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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.