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Finding the Fourth Proportional to 99,168.66, 148,762.44 and 32,609.34

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Solution

The fourth proportional to 99,168.66, 148,762.44 and 32,609.34 is: 48,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,168.66 : 148,762.44 = 32,609.34 : x
  2. Step 2: Convert to fraction form
    99,168.66/148,762.44 = 32,609.34/x
  3. Step 3: Cross multiply
    99,168.66x = 148,762.44 × 32,609.34
  4. Step 4: Simplify right side
    99,168.66x = 4,851,044,985.19
  5. Step 5: Solve for x
    x = 4,851,044,985.19/99,168.66
  6. Step 6: Final answer
    x = 48,917.12

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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.