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Finding the Fourth Proportional to 302,144.85, 453,124.46 and 99,703.58

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Solution

The fourth proportional to 302,144.85, 453,124.46 and 99,703.58 is: 149,524.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,144.85 : 453,124.46 = 99,703.58 : x
  2. Step 2: Convert to fraction form
    302,144.85/453,124.46 = 99,703.58/x
  3. Step 3: Cross multiply
    302,144.85x = 453,124.46 × 99,703.58
  4. Step 4: Simplify right side
    302,144.85x = 45,178,128,831.20
  5. Step 5: Solve for x
    x = 45,178,128,831.20/302,144.85
  6. Step 6: Final answer
    x = 149,524.74

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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.