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Finding the Fourth Proportional to 174,666.56, 262,031.52 and 99,871.04

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Solution

The fourth proportional to 174,666.56, 262,031.52 and 99,871.04 is: 149,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,666.56 : 262,031.52 = 99,871.04 : x
  2. Step 2: Convert to fraction form
    174,666.56/262,031.52 = 99,871.04/x
  3. Step 3: Cross multiply
    174,666.56x = 262,031.52 × 99,871.04
  4. Step 4: Simplify right side
    174,666.56x = 26,169,360,415.18
  5. Step 5: Solve for x
    x = 26,169,360,415.18/174,666.56
  6. Step 6: Final answer
    x = 149,824.67

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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.