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Finding the Fourth Proportional to 91,149.88, 136,785.59 and 35,036.32

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Solution

The fourth proportional to 91,149.88, 136,785.59 and 35,036.32 is: 52,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,149.88 : 136,785.59 = 35,036.32 : x
  2. Step 2: Convert to fraction form
    91,149.88/136,785.59 = 35,036.32/x
  3. Step 3: Cross multiply
    91,149.88x = 136,785.59 × 35,036.32
  4. Step 4: Simplify right side
    91,149.88x = 4,792,463,702.63
  5. Step 5: Solve for x
    x = 4,792,463,702.63/91,149.88
  6. Step 6: Final answer
    x = 52,577.84

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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.