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Finding the Fourth Proportional to 134,798.80, 202,068.60 and 104,796.40

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Solution

The fourth proportional to 134,798.80, 202,068.60 and 104,796.40 is: 157,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,798.80 : 202,068.60 = 104,796.40 : x
  2. Step 2: Convert to fraction form
    134,798.80/202,068.60 = 104,796.40/x
  3. Step 3: Cross multiply
    134,798.80x = 202,068.60 × 104,796.40
  4. Step 4: Simplify right side
    134,798.80x = 21,176,061,833.04
  5. Step 5: Solve for x
    x = 21,176,061,833.04/134,798.80
  6. Step 6: Final answer
    x = 157,093.85

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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.