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Finding the Fourth Proportional to 185,280.80, 255,729.48 and 104,754.96

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Solution

The fourth proportional to 185,280.80, 255,729.48 and 104,754.96 is: 144,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,280.80 : 255,729.48 = 104,754.96 : x
  2. Step 2: Convert to fraction form
    185,280.80/255,729.48 = 104,754.96/x
  3. Step 3: Cross multiply
    185,280.80x = 255,729.48 × 104,754.96
  4. Step 4: Simplify right side
    185,280.80x = 26,788,931,448.22
  5. Step 5: Solve for x
    x = 26,788,931,448.22/185,280.80
  6. Step 6: Final answer
    x = 144,585.58

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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.