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Finding the Fourth Proportional to 91,242.15, 136,863.22 and 46,844.22

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Solution

The fourth proportional to 91,242.15, 136,863.22 and 46,844.22 is: 70,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,242.15 : 136,863.22 = 46,844.22 : x
  2. Step 2: Convert to fraction form
    91,242.15/136,863.22 = 46,844.22/x
  3. Step 3: Cross multiply
    91,242.15x = 136,863.22 × 46,844.22
  4. Step 4: Simplify right side
    91,242.15x = 6,411,251,271.55
  5. Step 5: Solve for x
    x = 6,411,251,271.55/91,242.15
  6. Step 6: Final answer
    x = 70,266.34

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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.