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Finding the Fourth Proportional to 247,206.30, 370,906.65 and 97,421.10

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Solution

The fourth proportional to 247,206.30, 370,906.65 and 97,421.10 is: 146,169.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,206.30 : 370,906.65 = 97,421.10 : x
  2. Step 2: Convert to fraction form
    247,206.30/370,906.65 = 97,421.10/x
  3. Step 3: Cross multiply
    247,206.30x = 370,906.65 × 97,421.10
  4. Step 4: Simplify right side
    247,206.30x = 36,134,133,840.32
  5. Step 5: Solve for x
    x = 36,134,133,840.32/247,206.30
  6. Step 6: Final answer
    x = 146,169.96

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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.