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Finding the Fourth Proportional to 98,388.17, 147,567.54 and 27,303.31

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Solution

The fourth proportional to 98,388.17, 147,567.54 and 27,303.31 is: 40,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,388.17 : 147,567.54 = 27,303.31 : x
  2. Step 2: Convert to fraction form
    98,388.17/147,567.54 = 27,303.31/x
  3. Step 3: Cross multiply
    98,388.17x = 147,567.54 × 27,303.31
  4. Step 4: Simplify right side
    98,388.17x = 4,029,082,423.82
  5. Step 5: Solve for x
    x = 4,029,082,423.82/98,388.17
  6. Step 6: Final answer
    x = 40,950.88

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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.