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Finding the Fourth Proportional to 110,559.34, 152,576 and 62,820.76

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Solution

The fourth proportional to 110,559.34, 152,576 and 62,820.76 is: 86,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,559.34 : 152,576 = 62,820.76 : x
  2. Step 2: Convert to fraction form
    110,559.34/152,576 = 62,820.76/x
  3. Step 3: Cross multiply
    110,559.34x = 152,576 × 62,820.76
  4. Step 4: Simplify right side
    110,559.34x = 9,584,940,277.76
  5. Step 5: Solve for x
    x = 9,584,940,277.76/110,559.34
  6. Step 6: Final answer
    x = 86,694.98

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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.