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Finding the Fourth Proportional to 185,047.40, 255,351.16 and 104,482.88

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Solution

The fourth proportional to 185,047.40, 255,351.16 and 104,482.88 is: 144,178.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,047.40 : 255,351.16 = 104,482.88 : x
  2. Step 2: Convert to fraction form
    185,047.40/255,351.16 = 104,482.88/x
  3. Step 3: Cross multiply
    185,047.40x = 255,351.16 × 104,482.88
  4. Step 4: Simplify right side
    185,047.40x = 26,679,824,608.14
  5. Step 5: Solve for x
    x = 26,679,824,608.14/185,047.40
  6. Step 6: Final answer
    x = 144,178.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.