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Finding the Fourth Proportional to 92,506.64, 127,658.88 and 50,065.07

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Solution

The fourth proportional to 92,506.64, 127,658.88 and 50,065.07 is: 69,089.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,506.64 : 127,658.88 = 50,065.07 : x
  2. Step 2: Convert to fraction form
    92,506.64/127,658.88 = 50,065.07/x
  3. Step 3: Cross multiply
    92,506.64x = 127,658.88 × 50,065.07
  4. Step 4: Simplify right side
    92,506.64x = 6,391,250,125.03
  5. Step 5: Solve for x
    x = 6,391,250,125.03/92,506.64
  6. Step 6: Final answer
    x = 69,089.64

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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.