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Finding the Fourth Proportional to 370,821.64, 555,902.56 and 134,111.68

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Solution

The fourth proportional to 370,821.64, 555,902.56 and 134,111.68 is: 201,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,821.64 : 555,902.56 = 134,111.68 : x
  2. Step 2: Convert to fraction form
    370,821.64/555,902.56 = 134,111.68/x
  3. Step 3: Cross multiply
    370,821.64x = 555,902.56 × 134,111.68
  4. Step 4: Simplify right side
    370,821.64x = 74,553,026,237.90
  5. Step 5: Solve for x
    x = 74,553,026,237.90/370,821.64
  6. Step 6: Final answer
    x = 201,048.21

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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.