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Finding the Fourth Proportional to 117,076.68, 161,566.28 and 63,361.69

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Solution

The fourth proportional to 117,076.68, 161,566.28 and 63,361.69 is: 87,439.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,076.68 : 161,566.28 = 63,361.69 : x
  2. Step 2: Convert to fraction form
    117,076.68/161,566.28 = 63,361.69/x
  3. Step 3: Cross multiply
    117,076.68x = 161,566.28 × 63,361.69
  4. Step 4: Simplify right side
    117,076.68x = 10,237,112,547.81
  5. Step 5: Solve for x
    x = 10,237,112,547.81/117,076.68
  6. Step 6: Final answer
    x = 87,439.38

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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.