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Finding the Fourth Proportional to 295,359.76, 443,028.12 and 98,367.76

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Solution

The fourth proportional to 295,359.76, 443,028.12 and 98,367.76 is: 147,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,359.76 : 443,028.12 = 98,367.76 : x
  2. Step 2: Convert to fraction form
    295,359.76/443,028.12 = 98,367.76/x
  3. Step 3: Cross multiply
    295,359.76x = 443,028.12 × 98,367.76
  4. Step 4: Simplify right side
    295,359.76x = 43,579,683,781.41
  5. Step 5: Solve for x
    x = 43,579,683,781.41/295,359.76
  6. Step 6: Final answer
    x = 147,547.80

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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.