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Finding the Fourth Proportional to 114,476.63, 157,977.74 and 64,175.63

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Solution

The fourth proportional to 114,476.63, 157,977.74 and 64,175.63 is: 88,562.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,476.63 : 157,977.74 = 64,175.63 : x
  2. Step 2: Convert to fraction form
    114,476.63/157,977.74 = 64,175.63/x
  3. Step 3: Cross multiply
    114,476.63x = 157,977.74 × 64,175.63
  4. Step 4: Simplify right side
    114,476.63x = 10,138,320,361.03
  5. Step 5: Solve for x
    x = 10,138,320,361.03/114,476.63
  6. Step 6: Final answer
    x = 88,562.36

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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.