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Finding the Fourth Proportional to 162,548.54, 224,335.60 and 90,946.70

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Solution

The fourth proportional to 162,548.54, 224,335.60 and 90,946.70 is: 125,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,548.54 : 224,335.60 = 90,946.70 : x
  2. Step 2: Convert to fraction form
    162,548.54/224,335.60 = 90,946.70/x
  3. Step 3: Cross multiply
    162,548.54x = 224,335.60 × 90,946.70
  4. Step 4: Simplify right side
    162,548.54x = 20,402,582,512.52
  5. Step 5: Solve for x
    x = 20,402,582,512.52/162,548.54
  6. Step 6: Final answer
    x = 125,516.86

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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.