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Finding the Fourth Proportional to 295,451.91, 443,113.07 and 85,044.15

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Solution

The fourth proportional to 295,451.91, 443,113.07 and 85,044.15 is: 127,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,451.91 : 443,113.07 = 85,044.15 : x
  2. Step 2: Convert to fraction form
    295,451.91/443,113.07 = 85,044.15/x
  3. Step 3: Cross multiply
    295,451.91x = 443,113.07 × 85,044.15
  4. Step 4: Simplify right side
    295,451.91x = 37,684,173,966.82
  5. Step 5: Solve for x
    x = 37,684,173,966.82/295,451.91
  6. Step 6: Final answer
    x = 127,547.57

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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.