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Finding the Fourth Proportional to 162,338.01, 224,025.80 and 90,718.01

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Solution

The fourth proportional to 162,338.01, 224,025.80 and 90,718.01 is: 125,190.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,338.01 : 224,025.80 = 90,718.01 : x
  2. Step 2: Convert to fraction form
    162,338.01/224,025.80 = 90,718.01/x
  3. Step 3: Cross multiply
    162,338.01x = 224,025.80 × 90,718.01
  4. Step 4: Simplify right side
    162,338.01x = 20,323,174,541.32
  5. Step 5: Solve for x
    x = 20,323,174,541.32/162,338.01
  6. Step 6: Final answer
    x = 125,190.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.