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Finding the Fourth Proportional to 247,325.40, 370,826.10 and 97,475.40

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Solution

The fourth proportional to 247,325.40, 370,826.10 and 97,475.40 is: 146,149.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,325.40 : 370,826.10 = 97,475.40 : x
  2. Step 2: Convert to fraction form
    247,325.40/370,826.10 = 97,475.40/x
  3. Step 3: Cross multiply
    247,325.40x = 370,826.10 × 97,475.40
  4. Step 4: Simplify right side
    247,325.40x = 36,146,422,427.94
  5. Step 5: Solve for x
    x = 36,146,422,427.94/247,325.40
  6. Step 6: Final answer
    x = 146,149.25

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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.