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Finding the Fourth Proportional to 170,062.80, 255,094.20 and 43,702.80

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Solution

The fourth proportional to 170,062.80, 255,094.20 and 43,702.80 is: 65,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,062.80 : 255,094.20 = 43,702.80 : x
  2. Step 2: Convert to fraction form
    170,062.80/255,094.20 = 43,702.80/x
  3. Step 3: Cross multiply
    170,062.80x = 255,094.20 × 43,702.80
  4. Step 4: Simplify right side
    170,062.80x = 11,148,330,803.76
  5. Step 5: Solve for x
    x = 11,148,330,803.76/170,062.80
  6. Step 6: Final answer
    x = 65,554.20

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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.