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Finding the Fourth Proportional to 99,751.59, 149,695.16 and 40,598.02

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Solution

The fourth proportional to 99,751.59, 149,695.16 and 40,598.02 is: 60,924.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,751.59 : 149,695.16 = 40,598.02 : x
  2. Step 2: Convert to fraction form
    99,751.59/149,695.16 = 40,598.02/x
  3. Step 3: Cross multiply
    99,751.59x = 149,695.16 × 40,598.02
  4. Step 4: Simplify right side
    99,751.59x = 6,077,327,083.71
  5. Step 5: Solve for x
    x = 6,077,327,083.71/99,751.59
  6. Step 6: Final answer
    x = 60,924.62

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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.