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Finding the Fourth Proportional to 73,459, 101,373.78 and 39,925

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Solution

The fourth proportional to 73,459, 101,373.78 and 39,925 is: 55,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,459 : 101,373.78 = 39,925 : x
  2. Step 2: Convert to fraction form
    73,459/101,373.78 = 39,925/x
  3. Step 3: Cross multiply
    73,459x = 101,373.78 × 39,925
  4. Step 4: Simplify right side
    73,459x = 4,047,348,166.50
  5. Step 5: Solve for x
    x = 4,047,348,166.50/73,459
  6. Step 6: Final answer
    x = 55,096.70

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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.