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Finding the Fourth Proportional to 99,656.64, 149,499.36 and 29,526.72

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Solution

The fourth proportional to 99,656.64, 149,499.36 and 29,526.72 is: 44,294.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,656.64 : 149,499.36 = 29,526.72 : x
  2. Step 2: Convert to fraction form
    99,656.64/149,499.36 = 29,526.72/x
  3. Step 3: Cross multiply
    99,656.64x = 149,499.36 × 29,526.72
  4. Step 4: Simplify right side
    99,656.64x = 4,414,225,742.90
  5. Step 5: Solve for x
    x = 4,414,225,742.90/99,656.64
  6. Step 6: Final answer
    x = 44,294.35

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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.