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Finding the Fourth Proportional to 62,112.80, 93,266.40 and 45,588.80

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Solution

The fourth proportional to 62,112.80, 93,266.40 and 45,588.80 is: 68,454.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,112.80 : 93,266.40 = 45,588.80 : x
  2. Step 2: Convert to fraction form
    62,112.80/93,266.40 = 45,588.80/x
  3. Step 3: Cross multiply
    62,112.80x = 93,266.40 × 45,588.80
  4. Step 4: Simplify right side
    62,112.80x = 4,251,903,256.32
  5. Step 5: Solve for x
    x = 4,251,903,256.32/62,112.80
  6. Step 6: Final answer
    x = 68,454.54

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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.