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Finding the Fourth Proportional to 162,364.89, 224,070.47 and 90,744.92

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Solution

The fourth proportional to 162,364.89, 224,070.47 and 90,744.92 is: 125,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,364.89 : 224,070.47 = 90,744.92 : x
  2. Step 2: Convert to fraction form
    162,364.89/224,070.47 = 90,744.92/x
  3. Step 3: Cross multiply
    162,364.89x = 224,070.47 × 90,744.92
  4. Step 4: Simplify right side
    162,364.89x = 20,333,255,300.44
  5. Step 5: Solve for x
    x = 20,333,255,300.44/162,364.89
  6. Step 6: Final answer
    x = 125,231.85

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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.