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Finding the Fourth Proportional to 123,959.46, 171,035.82 and 70,232.16

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Solution

The fourth proportional to 123,959.46, 171,035.82 and 70,232.16 is: 96,904.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,959.46 : 171,035.82 = 70,232.16 : x
  2. Step 2: Convert to fraction form
    123,959.46/171,035.82 = 70,232.16/x
  3. Step 3: Cross multiply
    123,959.46x = 171,035.82 × 70,232.16
  4. Step 4: Simplify right side
    123,959.46x = 12,012,215,075.97
  5. Step 5: Solve for x
    x = 12,012,215,075.97/123,959.46
  6. Step 6: Final answer
    x = 96,904.38

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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.