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Finding the Fourth Proportional to 135,054.70, 202,582.05 and 93,064.30

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Solution

The fourth proportional to 135,054.70, 202,582.05 and 93,064.30 is: 139,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,054.70 : 202,582.05 = 93,064.30 : x
  2. Step 2: Convert to fraction form
    135,054.70/202,582.05 = 93,064.30/x
  3. Step 3: Cross multiply
    135,054.70x = 202,582.05 × 93,064.30
  4. Step 4: Simplify right side
    135,054.70x = 18,853,156,675.82
  5. Step 5: Solve for x
    x = 18,853,156,675.82/135,054.70
  6. Step 6: Final answer
    x = 139,596.45

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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.