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Finding the Fourth Proportional to 83,595.36, 115,361.28 and 45,870.24

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Solution

The fourth proportional to 83,595.36, 115,361.28 and 45,870.24 is: 63,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,595.36 : 115,361.28 = 45,870.24 : x
  2. Step 2: Convert to fraction form
    83,595.36/115,361.28 = 45,870.24/x
  3. Step 3: Cross multiply
    83,595.36x = 115,361.28 × 45,870.24
  4. Step 4: Simplify right side
    83,595.36x = 5,291,649,600.31
  5. Step 5: Solve for x
    x = 5,291,649,600.31/83,595.36
  6. Step 6: Final answer
    x = 63,300.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.