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Finding the Fourth Proportional to 197,116.60, 295,820.70 and 130,534.60

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Solution

The fourth proportional to 197,116.60, 295,820.70 and 130,534.60 is: 195,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,116.60 : 295,820.70 = 130,534.60 : x
  2. Step 2: Convert to fraction form
    197,116.60/295,820.70 = 130,534.60/x
  3. Step 3: Cross multiply
    197,116.60x = 295,820.70 × 130,534.60
  4. Step 4: Simplify right side
    197,116.60x = 38,614,836,746.22
  5. Step 5: Solve for x
    x = 38,614,836,746.22/197,116.60
  6. Step 6: Final answer
    x = 195,898.45

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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.