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Finding the Fourth Proportional to 365,097.80, 547,605.18 and 98,879.06

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Solution

The fourth proportional to 365,097.80, 547,605.18 and 98,879.06 is: 148,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,097.80 : 547,605.18 = 98,879.06 : x
  2. Step 2: Convert to fraction form
    365,097.80/547,605.18 = 98,879.06/x
  3. Step 3: Cross multiply
    365,097.80x = 547,605.18 × 98,879.06
  4. Step 4: Simplify right side
    365,097.80x = 54,146,685,449.53
  5. Step 5: Solve for x
    x = 54,146,685,449.53/365,097.80
  6. Step 6: Final answer
    x = 148,307.35

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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.