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Finding the Fourth Proportional to 133,064, 183,628.48 and 73,448

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Solution

The fourth proportional to 133,064, 183,628.48 and 73,448 is: 101,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,064 : 183,628.48 = 73,448 : x
  2. Step 2: Convert to fraction form
    133,064/183,628.48 = 73,448/x
  3. Step 3: Cross multiply
    133,064x = 183,628.48 × 73,448
  4. Step 4: Simplify right side
    133,064x = 13,487,144,599.04
  5. Step 5: Solve for x
    x = 13,487,144,599.04/133,064
  6. Step 6: Final answer
    x = 101,358.33

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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.