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Finding the Fourth Proportional to 358,603.98, 537,816.33 and 105,834.30

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Solution

The fourth proportional to 358,603.98, 537,816.33 and 105,834.30 is: 158,725.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,603.98 : 537,816.33 = 105,834.30 : x
  2. Step 2: Convert to fraction form
    358,603.98/537,816.33 = 105,834.30/x
  3. Step 3: Cross multiply
    358,603.98x = 537,816.33 × 105,834.30
  4. Step 4: Simplify right side
    358,603.98x = 56,919,417,227.81
  5. Step 5: Solve for x
    x = 56,919,417,227.81/358,603.98
  6. Step 6: Final answer
    x = 158,725.00

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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.