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Finding the Fourth Proportional to 91,146.33, 136,750.95 and 37,866.93

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Solution

The fourth proportional to 91,146.33, 136,750.95 and 37,866.93 is: 56,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,146.33 : 136,750.95 = 37,866.93 : x
  2. Step 2: Convert to fraction form
    91,146.33/136,750.95 = 37,866.93/x
  3. Step 3: Cross multiply
    91,146.33x = 136,750.95 × 37,866.93
  4. Step 4: Simplify right side
    91,146.33x = 5,178,338,651.08
  5. Step 5: Solve for x
    x = 5,178,338,651.08/91,146.33
  6. Step 6: Final answer
    x = 56,813.46

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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.