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Finding the Fourth Proportional to 146,384.64, 202,011.60 and 79,316.64

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Solution

The fourth proportional to 146,384.64, 202,011.60 and 79,316.64 is: 109,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,384.64 : 202,011.60 = 79,316.64 : x
  2. Step 2: Convert to fraction form
    146,384.64/202,011.60 = 79,316.64/x
  3. Step 3: Cross multiply
    146,384.64x = 202,011.60 × 79,316.64
  4. Step 4: Simplify right side
    146,384.64x = 16,022,881,353.02
  5. Step 5: Solve for x
    x = 16,022,881,353.02/146,384.64
  6. Step 6: Final answer
    x = 109,457.39

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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.