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Finding the Fourth Proportional to 162,628.83, 224,424.21 and 89,041.11

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Solution

The fourth proportional to 162,628.83, 224,424.21 and 89,041.11 is: 122,874.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,628.83 : 224,424.21 = 89,041.11 : x
  2. Step 2: Convert to fraction form
    162,628.83/224,424.21 = 89,041.11/x
  3. Step 3: Cross multiply
    162,628.83x = 224,424.21 × 89,041.11
  4. Step 4: Simplify right side
    162,628.83x = 19,982,980,769.27
  5. Step 5: Solve for x
    x = 19,982,980,769.27/162,628.83
  6. Step 6: Final answer
    x = 122,874.77

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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.