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Finding the Fourth Proportional to 101,664.99, 152,502.35 and 49,118.67

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Solution

The fourth proportional to 101,664.99, 152,502.35 and 49,118.67 is: 73,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,664.99 : 152,502.35 = 49,118.67 : x
  2. Step 2: Convert to fraction form
    101,664.99/152,502.35 = 49,118.67/x
  3. Step 3: Cross multiply
    101,664.99x = 152,502.35 × 49,118.67
  4. Step 4: Simplify right side
    101,664.99x = 7,490,712,358.28
  5. Step 5: Solve for x
    x = 7,490,712,358.28/101,664.99
  6. Step 6: Final answer
    x = 73,680.35

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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.