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Finding the Fourth Proportional to 336,783.14, 504,737.29 and 136,870.88

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Solution

The fourth proportional to 336,783.14, 504,737.29 and 136,870.88 is: 205,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,783.14 : 504,737.29 = 136,870.88 : x
  2. Step 2: Convert to fraction form
    336,783.14/504,737.29 = 136,870.88/x
  3. Step 3: Cross multiply
    336,783.14x = 504,737.29 × 136,870.88
  4. Step 4: Simplify right side
    336,783.14x = 69,083,837,051.12
  5. Step 5: Solve for x
    x = 69,083,837,051.12/336,783.14
  6. Step 6: Final answer
    x = 205,128.55

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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.