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Finding the Fourth Proportional to 91,349.46, 136,829.52 and 43,894.80

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Solution

The fourth proportional to 91,349.46, 136,829.52 and 43,894.80 is: 65,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,349.46 : 136,829.52 = 43,894.80 : x
  2. Step 2: Convert to fraction form
    91,349.46/136,829.52 = 43,894.80/x
  3. Step 3: Cross multiply
    91,349.46x = 136,829.52 × 43,894.80
  4. Step 4: Simplify right side
    91,349.46x = 6,006,104,414.50
  5. Step 5: Solve for x
    x = 6,006,104,414.50/91,349.46
  6. Step 6: Final answer
    x = 65,748.66

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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.