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Finding the Fourth Proportional to 172,462.95, 258,629.90 and 60,114.33

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Solution

The fourth proportional to 172,462.95, 258,629.90 and 60,114.33 is: 90,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,462.95 : 258,629.90 = 60,114.33 : x
  2. Step 2: Convert to fraction form
    172,462.95/258,629.90 = 60,114.33/x
  3. Step 3: Cross multiply
    172,462.95x = 258,629.90 × 60,114.33
  4. Step 4: Simplify right side
    172,462.95x = 15,547,362,855.90
  5. Step 5: Solve for x
    x = 15,547,362,855.90/172,462.95
  6. Step 6: Final answer
    x = 90,149.00

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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.