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Finding the Fourth Proportional to 92,855.46, 128,141.95 and 50,414.00

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Solution

The fourth proportional to 92,855.46, 128,141.95 and 50,414.00 is: 69,572.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,855.46 : 128,141.95 = 50,414.00 : x
  2. Step 2: Convert to fraction form
    92,855.46/128,141.95 = 50,414.00/x
  3. Step 3: Cross multiply
    92,855.46x = 128,141.95 × 50,414.00
  4. Step 4: Simplify right side
    92,855.46x = 6,460,147,595.08
  5. Step 5: Solve for x
    x = 6,460,147,595.08/92,855.46
  6. Step 6: Final answer
    x = 69,572.08

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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.