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Finding the Fourth Proportional to 162,343.40, 224,014.49 and 89,736.49

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Solution

The fourth proportional to 162,343.40, 224,014.49 and 89,736.49 is: 123,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,343.40 : 224,014.49 = 89,736.49 : x
  2. Step 2: Convert to fraction form
    162,343.40/224,014.49 = 89,736.49/x
  3. Step 3: Cross multiply
    162,343.40x = 224,014.49 × 89,736.49
  4. Step 4: Simplify right side
    162,343.40x = 20,102,274,041.74
  5. Step 5: Solve for x
    x = 20,102,274,041.74/162,343.40
  6. Step 6: Final answer
    x = 123,825.63

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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.