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Finding the Fourth Proportional to 172,953.55, 259,410.87 and 46,603.15

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Solution

The fourth proportional to 172,953.55, 259,410.87 and 46,603.15 is: 69,899.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,953.55 : 259,410.87 = 46,603.15 : x
  2. Step 2: Convert to fraction form
    172,953.55/259,410.87 = 46,603.15/x
  3. Step 3: Cross multiply
    172,953.55x = 259,410.87 × 46,603.15
  4. Step 4: Simplify right side
    172,953.55x = 12,089,363,686.24
  5. Step 5: Solve for x
    x = 12,089,363,686.24/172,953.55
  6. Step 6: Final answer
    x = 69,899.48

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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.