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Finding the Fourth Proportional to 368,025.92, 552,038.84 and 118,707.92

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Solution

The fourth proportional to 368,025.92, 552,038.84 and 118,707.92 is: 178,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,025.92 : 552,038.84 = 118,707.92 : x
  2. Step 2: Convert to fraction form
    368,025.92/552,038.84 = 118,707.92/x
  3. Step 3: Cross multiply
    368,025.92x = 552,038.84 × 118,707.92
  4. Step 4: Simplify right side
    368,025.92x = 65,531,381,862.07
  5. Step 5: Solve for x
    x = 65,531,381,862.07/368,025.92
  6. Step 6: Final answer
    x = 178,061.87

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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.