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Finding the Fourth Proportional to 66,033.80, 99,050.70 and 62,145.80

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Solution

The fourth proportional to 66,033.80, 99,050.70 and 62,145.80 is: 93,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,033.80 : 99,050.70 = 62,145.80 : x
  2. Step 2: Convert to fraction form
    66,033.80/99,050.70 = 62,145.80/x
  3. Step 3: Cross multiply
    66,033.80x = 99,050.70 × 62,145.80
  4. Step 4: Simplify right side
    66,033.80x = 6,155,584,992.06
  5. Step 5: Solve for x
    x = 6,155,584,992.06/66,033.80
  6. Step 6: Final answer
    x = 93,218.70

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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.