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Finding the Fourth Proportional to 351,578.75, 527,368.26 and 98,886.10

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Solution

The fourth proportional to 351,578.75, 527,368.26 and 98,886.10 is: 148,329.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,578.75 : 527,368.26 = 98,886.10 : x
  2. Step 2: Convert to fraction form
    351,578.75/527,368.26 = 98,886.10/x
  3. Step 3: Cross multiply
    351,578.75x = 527,368.26 × 98,886.10
  4. Step 4: Simplify right side
    351,578.75x = 52,149,390,495.19
  5. Step 5: Solve for x
    x = 52,149,390,495.19/351,578.75
  6. Step 6: Final answer
    x = 148,329.19

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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.