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Finding the Fourth Proportional to 371,684.16, 557,563.02 and 118,901.16

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Solution

The fourth proportional to 371,684.16, 557,563.02 and 118,901.16 is: 178,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,684.16 : 557,563.02 = 118,901.16 : x
  2. Step 2: Convert to fraction form
    371,684.16/557,563.02 = 118,901.16/x
  3. Step 3: Cross multiply
    371,684.16x = 557,563.02 × 118,901.16
  4. Step 4: Simplify right side
    371,684.16x = 66,294,889,851.10
  5. Step 5: Solve for x
    x = 66,294,889,851.10/371,684.16
  6. Step 6: Final answer
    x = 178,363.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.