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Finding the Fourth Proportional to 302,037.45, 453,045.70 and 77,399.74

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Solution

The fourth proportional to 302,037.45, 453,045.70 and 77,399.74 is: 116,096.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,037.45 : 453,045.70 = 77,399.74 : x
  2. Step 2: Convert to fraction form
    302,037.45/453,045.70 = 77,399.74/x
  3. Step 3: Cross multiply
    302,037.45x = 453,045.70 × 77,399.74
  4. Step 4: Simplify right side
    302,037.45x = 35,065,619,388.12
  5. Step 5: Solve for x
    x = 35,065,619,388.12/302,037.45
  6. Step 6: Final answer
    x = 116,096.93

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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.