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Finding the Fourth Proportional to 132,663.84, 183,066.84 and 75,304.32

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Solution

The fourth proportional to 132,663.84, 183,066.84 and 75,304.32 is: 103,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,663.84 : 183,066.84 = 75,304.32 : x
  2. Step 2: Convert to fraction form
    132,663.84/183,066.84 = 75,304.32/x
  3. Step 3: Cross multiply
    132,663.84x = 183,066.84 × 75,304.32
  4. Step 4: Simplify right side
    132,663.84x = 13,785,723,900.75
  5. Step 5: Solve for x
    x = 13,785,723,900.75/132,663.84
  6. Step 6: Final answer
    x = 103,914.71

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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.