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Finding the Fourth Proportional to 356,624.19, 535,018.30 and 116,745.83

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Solution

The fourth proportional to 356,624.19, 535,018.30 and 116,745.83 is: 175,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,624.19 : 535,018.30 = 116,745.83 : x
  2. Step 2: Convert to fraction form
    356,624.19/535,018.30 = 116,745.83/x
  3. Step 3: Cross multiply
    356,624.19x = 535,018.30 × 116,745.83
  4. Step 4: Simplify right side
    356,624.19x = 62,461,154,538.05
  5. Step 5: Solve for x
    x = 62,461,154,538.05/356,624.19
  6. Step 6: Final answer
    x = 175,145.59

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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.