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Finding the Fourth Proportional to 78,607.30, 108,461.22 and 46,769.98

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Solution

The fourth proportional to 78,607.30, 108,461.22 and 46,769.98 is: 64,532.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,607.30 : 108,461.22 = 46,769.98 : x
  2. Step 2: Convert to fraction form
    78,607.30/108,461.22 = 46,769.98/x
  3. Step 3: Cross multiply
    78,607.30x = 108,461.22 × 46,769.98
  4. Step 4: Simplify right side
    78,607.30x = 5,072,729,090.18
  5. Step 5: Solve for x
    x = 5,072,729,090.18/78,607.30
  6. Step 6: Final answer
    x = 64,532.54

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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.