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Finding the Fourth Proportional to 295,529.70, 443,423.36 and 103,541.86

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Solution

The fourth proportional to 295,529.70, 443,423.36 and 103,541.86 is: 155,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,529.70 : 443,423.36 = 103,541.86 : x
  2. Step 2: Convert to fraction form
    295,529.70/443,423.36 = 103,541.86/x
  3. Step 3: Cross multiply
    295,529.70x = 443,423.36 × 103,541.86
  4. Step 4: Simplify right side
    295,529.70x = 45,912,878,612.15
  5. Step 5: Solve for x
    x = 45,912,878,612.15/295,529.70
  6. Step 6: Final answer
    x = 155,357.92

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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.