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Finding the Fourth Proportional to 371,130.40, 556,725.66 and 104,893.12

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Solution

The fourth proportional to 371,130.40, 556,725.66 and 104,893.12 is: 157,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,130.40 : 556,725.66 = 104,893.12 : x
  2. Step 2: Convert to fraction form
    371,130.40/556,725.66 = 104,893.12/x
  3. Step 3: Cross multiply
    371,130.40x = 556,725.66 × 104,893.12
  4. Step 4: Simplify right side
    371,130.40x = 58,396,691,461.46
  5. Step 5: Solve for x
    x = 58,396,691,461.46/371,130.40
  6. Step 6: Final answer
    x = 157,348.18

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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.