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Finding the Fourth Proportional to 132,920.50, 183,430.29 and 73,304.50

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Solution

The fourth proportional to 132,920.50, 183,430.29 and 73,304.50 is: 101,160.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,920.50 : 183,430.29 = 73,304.50 : x
  2. Step 2: Convert to fraction form
    132,920.50/183,430.29 = 73,304.50/x
  3. Step 3: Cross multiply
    132,920.50x = 183,430.29 × 73,304.50
  4. Step 4: Simplify right side
    132,920.50x = 13,446,265,693.31
  5. Step 5: Solve for x
    x = 13,446,265,693.31/132,920.50
  6. Step 6: Final answer
    x = 101,160.21

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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.