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Finding the Fourth Proportional to 130,154.16, 195,279.82 and 51,323.34

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Solution

The fourth proportional to 130,154.16, 195,279.82 and 51,323.34 is: 77,004.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,154.16 : 195,279.82 = 51,323.34 : x
  2. Step 2: Convert to fraction form
    130,154.16/195,279.82 = 51,323.34/x
  3. Step 3: Cross multiply
    130,154.16x = 195,279.82 × 51,323.34
  4. Step 4: Simplify right side
    130,154.16x = 10,022,412,597.00
  5. Step 5: Solve for x
    x = 10,022,412,597.00/130,154.16
  6. Step 6: Final answer
    x = 77,004.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.