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Finding the Fourth Proportional to 358,342.48, 537,591.48 and 109,018

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Solution

The fourth proportional to 358,342.48, 537,591.48 and 109,018 is: 163,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,342.48 : 537,591.48 = 109,018 : x
  2. Step 2: Convert to fraction form
    358,342.48/537,591.48 = 109,018/x
  3. Step 3: Cross multiply
    358,342.48x = 537,591.48 × 109,018
  4. Step 4: Simplify right side
    358,342.48x = 58,607,147,966.64
  5. Step 5: Solve for x
    x = 58,607,147,966.64/358,342.48
  6. Step 6: Final answer
    x = 163,550.66

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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.