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Finding the Fourth Proportional to 99,325.55, 148,941.42 and 36,101.19

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Solution

The fourth proportional to 99,325.55, 148,941.42 and 36,101.19 is: 54,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,325.55 : 148,941.42 = 36,101.19 : x
  2. Step 2: Convert to fraction form
    99,325.55/148,941.42 = 36,101.19/x
  3. Step 3: Cross multiply
    99,325.55x = 148,941.42 × 36,101.19
  4. Step 4: Simplify right side
    99,325.55x = 5,376,962,502.29
  5. Step 5: Solve for x
    x = 5,376,962,502.29/99,325.55
  6. Step 6: Final answer
    x = 54,134.74

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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.