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Finding the Fourth Proportional to 92,597.12, 127,784.03 and 50,155.65

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Solution

The fourth proportional to 92,597.12, 127,784.03 and 50,155.65 is: 69,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,597.12 : 127,784.03 = 50,155.65 : x
  2. Step 2: Convert to fraction form
    92,597.12/127,784.03 = 50,155.65/x
  3. Step 3: Cross multiply
    92,597.12x = 127,784.03 × 50,155.65
  4. Step 4: Simplify right side
    92,597.12x = 6,409,091,084.27
  5. Step 5: Solve for x
    x = 6,409,091,084.27/92,597.12
  6. Step 6: Final answer
    x = 69,214.80

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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.