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Finding the Fourth Proportional to 162,696, 224,508.12 and 99,026.76

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Solution

The fourth proportional to 162,696, 224,508.12 and 99,026.76 is: 136,649.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,696 : 224,508.12 = 99,026.76 : x
  2. Step 2: Convert to fraction form
    162,696/224,508.12 = 99,026.76/x
  3. Step 3: Cross multiply
    162,696x = 224,508.12 × 99,026.76
  4. Step 4: Simplify right side
    162,696x = 22,232,311,717.29
  5. Step 5: Solve for x
    x = 22,232,311,717.29/162,696
  6. Step 6: Final answer
    x = 136,649.41

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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.