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Finding the Fourth Proportional to 130,025.47, 195,028.48 and 46,919.47

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Solution

The fourth proportional to 130,025.47, 195,028.48 and 46,919.47 is: 70,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,025.47 : 195,028.48 = 46,919.47 : x
  2. Step 2: Convert to fraction form
    130,025.47/195,028.48 = 46,919.47/x
  3. Step 3: Cross multiply
    130,025.47x = 195,028.48 × 46,919.47
  4. Step 4: Simplify right side
    130,025.47x = 9,150,632,916.51
  5. Step 5: Solve for x
    x = 9,150,632,916.51/130,025.47
  6. Step 6: Final answer
    x = 70,375.70

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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.