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Finding the Fourth Proportional to 168,669.98, 253,041.40 and 63,488.64

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Solution

The fourth proportional to 168,669.98, 253,041.40 and 63,488.64 is: 95,246.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,669.98 : 253,041.40 = 63,488.64 : x
  2. Step 2: Convert to fraction form
    168,669.98/253,041.40 = 63,488.64/x
  3. Step 3: Cross multiply
    168,669.98x = 253,041.40 × 63,488.64
  4. Step 4: Simplify right side
    168,669.98x = 16,065,254,349.70
  5. Step 5: Solve for x
    x = 16,065,254,349.70/168,669.98
  6. Step 6: Final answer
    x = 95,246.67

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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.