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Finding the Fourth Proportional to 170,520.84, 235,314.10 and 98,896.28

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Solution

The fourth proportional to 170,520.84, 235,314.10 and 98,896.28 is: 136,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,520.84 : 235,314.10 = 98,896.28 : x
  2. Step 2: Convert to fraction form
    170,520.84/235,314.10 = 98,896.28/x
  3. Step 3: Cross multiply
    170,520.84x = 235,314.10 × 98,896.28
  4. Step 4: Simplify right side
    170,520.84x = 23,271,689,121.55
  5. Step 5: Solve for x
    x = 23,271,689,121.55/170,520.84
  6. Step 6: Final answer
    x = 136,474.16

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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.