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Finding the Fourth Proportional to 302,123.70, 453,197.85 and 124,613.79

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Solution

The fourth proportional to 302,123.70, 453,197.85 and 124,613.79 is: 186,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,123.70 : 453,197.85 = 124,613.79 : x
  2. Step 2: Convert to fraction form
    302,123.70/453,197.85 = 124,613.79/x
  3. Step 3: Cross multiply
    302,123.70x = 453,197.85 × 124,613.79
  4. Step 4: Simplify right side
    302,123.70x = 56,474,701,708.35
  5. Step 5: Solve for x
    x = 56,474,701,708.35/302,123.70
  6. Step 6: Final answer
    x = 186,925.76

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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.