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Finding the Fourth Proportional to 368,011.92, 552,017.84 and 118,693.92

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Solution

The fourth proportional to 368,011.92, 552,017.84 and 118,693.92 is: 178,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,011.92 : 552,017.84 = 118,693.92 : x
  2. Step 2: Convert to fraction form
    368,011.92/552,017.84 = 118,693.92/x
  3. Step 3: Cross multiply
    368,011.92x = 552,017.84 × 118,693.92
  4. Step 4: Simplify right side
    368,011.92x = 65,521,160,746.06
  5. Step 5: Solve for x
    x = 65,521,160,746.06/368,011.92
  6. Step 6: Final answer
    x = 178,040.87

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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.