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Finding the Fourth Proportional to 141,880.36, 212,821.31 and 42,041.42

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Solution

The fourth proportional to 141,880.36, 212,821.31 and 42,041.42 is: 63,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,880.36 : 212,821.31 = 42,041.42 : x
  2. Step 2: Convert to fraction form
    141,880.36/212,821.31 = 42,041.42/x
  3. Step 3: Cross multiply
    141,880.36x = 212,821.31 × 42,041.42
  4. Step 4: Simplify right side
    141,880.36x = 8,947,308,804.35
  5. Step 5: Solve for x
    x = 8,947,308,804.35/141,880.36
  6. Step 6: Final answer
    x = 63,062.35

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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.