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Finding the Fourth Proportional to 173,718.80, 260,140.80 and 114,232.40

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Solution

The fourth proportional to 173,718.80, 260,140.80 and 114,232.40 is: 171,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,718.80 : 260,140.80 = 114,232.40 : x
  2. Step 2: Convert to fraction form
    173,718.80/260,140.80 = 114,232.40/x
  3. Step 3: Cross multiply
    173,718.80x = 260,140.80 × 114,232.40
  4. Step 4: Simplify right side
    173,718.80x = 29,716,507,921.92
  5. Step 5: Solve for x
    x = 29,716,507,921.92/173,718.80
  6. Step 6: Final answer
    x = 171,060.98

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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.