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Finding the Fourth Proportional to 295,551.80, 443,385.30 and 127,071.80

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Solution

The fourth proportional to 295,551.80, 443,385.30 and 127,071.80 is: 190,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,551.80 : 443,385.30 = 127,071.80 : x
  2. Step 2: Convert to fraction form
    295,551.80/443,385.30 = 127,071.80/x
  3. Step 3: Cross multiply
    295,551.80x = 443,385.30 × 127,071.80
  4. Step 4: Simplify right side
    295,551.80x = 56,341,768,164.54
  5. Step 5: Solve for x
    x = 56,341,768,164.54/295,551.80
  6. Step 6: Final answer
    x = 190,632.46

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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.