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Finding the Fourth Proportional to 247,493.65, 370,904.67 and 105,160.45

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Solution

The fourth proportional to 247,493.65, 370,904.67 and 105,160.45 is: 157,597.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,493.65 : 370,904.67 = 105,160.45 : x
  2. Step 2: Convert to fraction form
    247,493.65/370,904.67 = 105,160.45/x
  3. Step 3: Cross multiply
    247,493.65x = 370,904.67 × 105,160.45
  4. Step 4: Simplify right side
    247,493.65x = 39,004,502,267.20
  5. Step 5: Solve for x
    x = 39,004,502,267.20/247,493.65
  6. Step 6: Final answer
    x = 157,597.99

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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.