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Finding the Fourth Proportional to 99,688.92, 149,541.48 and 29,568.03

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Solution

The fourth proportional to 99,688.92, 149,541.48 and 29,568.03 is: 44,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,688.92 : 149,541.48 = 29,568.03 : x
  2. Step 2: Convert to fraction form
    99,688.92/149,541.48 = 29,568.03/x
  3. Step 3: Cross multiply
    99,688.92x = 149,541.48 × 29,568.03
  4. Step 4: Simplify right side
    99,688.92x = 4,421,646,966.88
  5. Step 5: Solve for x
    x = 4,421,646,966.88/99,688.92
  6. Step 6: Final answer
    x = 44,354.45

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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.