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Finding the Fourth Proportional to 113,797.60, 170,307.60 and 99,800.80

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Solution

The fourth proportional to 113,797.60, 170,307.60 and 99,800.80 is: 149,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,797.60 : 170,307.60 = 99,800.80 : x
  2. Step 2: Convert to fraction form
    113,797.60/170,307.60 = 99,800.80/x
  3. Step 3: Cross multiply
    113,797.60x = 170,307.60 × 99,800.80
  4. Step 4: Simplify right side
    113,797.60x = 16,996,834,726.08
  5. Step 5: Solve for x
    x = 16,996,834,726.08/113,797.60
  6. Step 6: Final answer
    x = 149,360.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.