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Finding the Fourth Proportional to 112,361.19, 155,059.25 and 62,060.19

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Solution

The fourth proportional to 112,361.19, 155,059.25 and 62,060.19 is: 85,643.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,361.19 : 155,059.25 = 62,060.19 : x
  2. Step 2: Convert to fraction form
    112,361.19/155,059.25 = 62,060.19/x
  3. Step 3: Cross multiply
    112,361.19x = 155,059.25 × 62,060.19
  4. Step 4: Simplify right side
    112,361.19x = 9,623,006,516.26
  5. Step 5: Solve for x
    x = 9,623,006,516.26/112,361.19
  6. Step 6: Final answer
    x = 85,643.51

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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.