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Finding the Fourth Proportional to 163,284.96, 245,018.16 and 88,404

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Solution

The fourth proportional to 163,284.96, 245,018.16 and 88,404 is: 132,655.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,284.96 : 245,018.16 = 88,404 : x
  2. Step 2: Convert to fraction form
    163,284.96/245,018.16 = 88,404/x
  3. Step 3: Cross multiply
    163,284.96x = 245,018.16 × 88,404
  4. Step 4: Simplify right side
    163,284.96x = 21,660,585,416.64
  5. Step 5: Solve for x
    x = 21,660,585,416.64/163,284.96
  6. Step 6: Final answer
    x = 132,655.12

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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.