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Finding the Fourth Proportional to 110,361.47, 152,297.42 and 65,041.38

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Solution

The fourth proportional to 110,361.47, 152,297.42 and 65,041.38 is: 89,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,361.47 : 152,297.42 = 65,041.38 : x
  2. Step 2: Convert to fraction form
    110,361.47/152,297.42 = 65,041.38/x
  3. Step 3: Cross multiply
    110,361.47x = 152,297.42 × 65,041.38
  4. Step 4: Simplify right side
    110,361.47x = 9,905,634,042.03
  5. Step 5: Solve for x
    x = 9,905,634,042.03/110,361.47
  6. Step 6: Final answer
    x = 89,756.28

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1.5x scale

Why These Related Problems?

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