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Finding the Fourth Proportional to 92,075.97, 127,082.30 and 57,636.72

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Solution

The fourth proportional to 92,075.97, 127,082.30 and 57,636.72 is: 79,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,075.97 : 127,082.30 = 57,636.72 : x
  2. Step 2: Convert to fraction form
    92,075.97/127,082.30 = 57,636.72/x
  3. Step 3: Cross multiply
    92,075.97x = 127,082.30 × 57,636.72
  4. Step 4: Simplify right side
    92,075.97x = 7,324,607,562.71
  5. Step 5: Solve for x
    x = 7,324,607,562.71/92,075.97
  6. Step 6: Final answer
    x = 79,549.61

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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.