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Finding the Fourth Proportional to 92,661.57, 127,886.68 and 58,673.21

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Solution

The fourth proportional to 92,661.57, 127,886.68 and 58,673.21 is: 80,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,661.57 : 127,886.68 = 58,673.21 : x
  2. Step 2: Convert to fraction form
    92,661.57/127,886.68 = 58,673.21/x
  3. Step 3: Cross multiply
    92,661.57x = 127,886.68 × 58,673.21
  4. Step 4: Simplify right side
    92,661.57x = 7,503,522,031.84
  5. Step 5: Solve for x
    x = 7,503,522,031.84/92,661.57
  6. Step 6: Final answer
    x = 80,977.72

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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.