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Finding the Fourth Proportional to 162,479.81, 224,217.95 and 89,880.82

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Solution

The fourth proportional to 162,479.81, 224,217.95 and 89,880.82 is: 124,033.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,479.81 : 224,217.95 = 89,880.82 : x
  2. Step 2: Convert to fraction form
    162,479.81/224,217.95 = 89,880.82/x
  3. Step 3: Cross multiply
    162,479.81x = 224,217.95 × 89,880.82
  4. Step 4: Simplify right side
    162,479.81x = 20,152,892,194.77
  5. Step 5: Solve for x
    x = 20,152,892,194.77/162,479.81
  6. Step 6: Final answer
    x = 124,033.21

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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.