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Finding the Fourth Proportional to 130,019.60, 195,019.67 and 46,913.60

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Solution

The fourth proportional to 130,019.60, 195,019.67 and 46,913.60 is: 70,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,019.60 : 195,019.67 = 46,913.60 : x
  2. Step 2: Convert to fraction form
    130,019.60/195,019.67 = 46,913.60/x
  3. Step 3: Cross multiply
    130,019.60x = 195,019.67 × 46,913.60
  4. Step 4: Simplify right side
    130,019.60x = 9,149,073,580.85
  5. Step 5: Solve for x
    x = 9,149,073,580.85/130,019.60
  6. Step 6: Final answer
    x = 70,366.88

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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.