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Finding the Fourth Proportional to 162,579, 224,367.76 and 90,954.76

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Solution

The fourth proportional to 162,579, 224,367.76 and 90,954.76 is: 125,522.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,579 : 224,367.76 = 90,954.76 : x
  2. Step 2: Convert to fraction form
    162,579/224,367.76 = 90,954.76/x
  3. Step 3: Cross multiply
    162,579x = 224,367.76 × 90,954.76
  4. Step 4: Simplify right side
    162,579x = 20,407,315,762.54
  5. Step 5: Solve for x
    x = 20,407,315,762.54/162,579
  6. Step 6: Final answer
    x = 125,522.46

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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.