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Finding the Fourth Proportional to 162,364.86, 224,062.74 and 90,744.84

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Solution

The fourth proportional to 162,364.86, 224,062.74 and 90,744.84 is: 125,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,364.86 : 224,062.74 = 90,744.84 : x
  2. Step 2: Convert to fraction form
    162,364.86/224,062.74 = 90,744.84/x
  3. Step 3: Cross multiply
    162,364.86x = 224,062.74 × 90,744.84
  4. Step 4: Simplify right side
    162,364.86x = 20,332,537,491.26
  5. Step 5: Solve for x
    x = 20,332,537,491.26/162,364.86
  6. Step 6: Final answer
    x = 125,227.45

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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.