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Finding the Fourth Proportional to 130,482.40, 195,800.40 and 47,365.60

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Solution

The fourth proportional to 130,482.40, 195,800.40 and 47,365.60 is: 71,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,482.40 : 195,800.40 = 47,365.60 : x
  2. Step 2: Convert to fraction form
    130,482.40/195,800.40 = 47,365.60/x
  3. Step 3: Cross multiply
    130,482.40x = 195,800.40 × 47,365.60
  4. Step 4: Simplify right side
    130,482.40x = 9,274,203,426.24
  5. Step 5: Solve for x
    x = 9,274,203,426.24/130,482.40
  6. Step 6: Final answer
    x = 71,076.28

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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.