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Finding the Fourth Proportional to 247,173.96, 341,117.55 and 139,745.01

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Solution

The fourth proportional to 247,173.96, 341,117.55 and 139,745.01 is: 192,858.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,173.96 : 341,117.55 = 139,745.01 : x
  2. Step 2: Convert to fraction form
    247,173.96/341,117.55 = 139,745.01/x
  3. Step 3: Cross multiply
    247,173.96x = 341,117.55 × 139,745.01
  4. Step 4: Simplify right side
    247,173.96x = 47,669,475,435.93
  5. Step 5: Solve for x
    x = 47,669,475,435.93/247,173.96
  6. Step 6: Final answer
    x = 192,858.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.