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Finding the Fourth Proportional to 117,347.30, 161,938.39 and 63,632.24

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Solution

The fourth proportional to 117,347.30, 161,938.39 and 63,632.24 is: 87,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,347.30 : 161,938.39 = 63,632.24 : x
  2. Step 2: Convert to fraction form
    117,347.30/161,938.39 = 63,632.24/x
  3. Step 3: Cross multiply
    117,347.30x = 161,938.39 × 63,632.24
  4. Step 4: Simplify right side
    117,347.30x = 10,304,502,497.69
  5. Step 5: Solve for x
    x = 10,304,502,497.69/117,347.30
  6. Step 6: Final answer
    x = 87,812.01

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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.