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Finding the Fourth Proportional to 74,680.08, 103,059.72 and 41,146.08

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Solution

The fourth proportional to 74,680.08, 103,059.72 and 41,146.08 is: 56,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,680.08 : 103,059.72 = 41,146.08 : x
  2. Step 2: Convert to fraction form
    74,680.08/103,059.72 = 41,146.08/x
  3. Step 3: Cross multiply
    74,680.08x = 103,059.72 × 41,146.08
  4. Step 4: Simplify right side
    74,680.08x = 4,240,503,483.90
  5. Step 5: Solve for x
    x = 4,240,503,483.90/74,680.08
  6. Step 6: Final answer
    x = 56,782.26

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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.