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Finding the Fourth Proportional to 117,243.93, 175,864.36 and 28,497.18

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Solution

The fourth proportional to 117,243.93, 175,864.36 and 28,497.18 is: 42,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,243.93 : 175,864.36 = 28,497.18 : x
  2. Step 2: Convert to fraction form
    117,243.93/175,864.36 = 28,497.18/x
  3. Step 3: Cross multiply
    117,243.93x = 175,864.36 × 28,497.18
  4. Step 4: Simplify right side
    117,243.93x = 5,011,638,322.50
  5. Step 5: Solve for x
    x = 5,011,638,322.50/117,243.93
  6. Step 6: Final answer
    x = 42,745.40

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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.