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Finding the Fourth Proportional to 106,280.98, 146,668.80 and 58,535.80

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Solution

The fourth proportional to 106,280.98, 146,668.80 and 58,535.80 is: 80,779.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,280.98 : 146,668.80 = 58,535.80 : x
  2. Step 2: Convert to fraction form
    106,280.98/146,668.80 = 58,535.80/x
  3. Step 3: Cross multiply
    106,280.98x = 146,668.80 × 58,535.80
  4. Step 4: Simplify right side
    106,280.98x = 8,585,375,543.04
  5. Step 5: Solve for x
    x = 8,585,375,543.04/106,280.98
  6. Step 6: Final answer
    x = 80,779.98

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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.