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Finding the Fourth Proportional to 368,489.60, 552,672.56 and 102,277.16

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Solution

The fourth proportional to 368,489.60, 552,672.56 and 102,277.16 is: 153,398.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,489.60 : 552,672.56 = 102,277.16 : x
  2. Step 2: Convert to fraction form
    368,489.60/552,672.56 = 102,277.16/x
  3. Step 3: Cross multiply
    368,489.60x = 552,672.56 × 102,277.16
  4. Step 4: Simplify right side
    368,489.60x = 56,525,779,846.73
  5. Step 5: Solve for x
    x = 56,525,779,846.73/368,489.60
  6. Step 6: Final answer
    x = 153,398.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.