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Finding the Fourth Proportional to 130,449.60, 195,699.51 and 55,568.34

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Solution

The fourth proportional to 130,449.60, 195,699.51 and 55,568.34 is: 83,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,449.60 : 195,699.51 = 55,568.34 : x
  2. Step 2: Convert to fraction form
    130,449.60/195,699.51 = 55,568.34/x
  3. Step 3: Cross multiply
    130,449.60x = 195,699.51 × 55,568.34
  4. Step 4: Simplify right side
    130,449.60x = 10,874,696,909.51
  5. Step 5: Solve for x
    x = 10,874,696,909.51/130,449.60
  6. Step 6: Final answer
    x = 83,363.21

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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.