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Finding the Fourth Proportional to 130,812.60, 195,927.30 and 101,069.40

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Solution

The fourth proportional to 130,812.60, 195,927.30 and 101,069.40 is: 151,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,812.60 : 195,927.30 = 101,069.40 : x
  2. Step 2: Convert to fraction form
    130,812.60/195,927.30 = 101,069.40/x
  3. Step 3: Cross multiply
    130,812.60x = 195,927.30 × 101,069.40
  4. Step 4: Simplify right side
    130,812.60x = 19,802,254,654.62
  5. Step 5: Solve for x
    x = 19,802,254,654.62/130,812.60
  6. Step 6: Final answer
    x = 151,378.80

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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.