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Finding the Fourth Proportional to 116,075.52, 173,889.06 and 85,626.96

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Solution

The fourth proportional to 116,075.52, 173,889.06 and 85,626.96 is: 128,275.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,075.52 : 173,889.06 = 85,626.96 : x
  2. Step 2: Convert to fraction form
    116,075.52/173,889.06 = 85,626.96/x
  3. Step 3: Cross multiply
    116,075.52x = 173,889.06 × 85,626.96
  4. Step 4: Simplify right side
    116,075.52x = 14,889,591,585.06
  5. Step 5: Solve for x
    x = 14,889,591,585.06/116,075.52
  6. Step 6: Final answer
    x = 128,275.04

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1.5x scale

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.