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Finding the Fourth Proportional to 162,362.76, 224,041.19 and 89,755.88

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Solution

The fourth proportional to 162,362.76, 224,041.19 and 89,755.88 is: 123,852.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,362.76 : 224,041.19 = 89,755.88 : x
  2. Step 2: Convert to fraction form
    162,362.76/224,041.19 = 89,755.88/x
  3. Step 3: Cross multiply
    162,362.76x = 224,041.19 × 89,755.88
  4. Step 4: Simplify right side
    162,362.76x = 20,109,012,595.71
  5. Step 5: Solve for x
    x = 20,109,012,595.71/162,362.76
  6. Step 6: Final answer
    x = 123,852.37

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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.