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Finding the Fourth Proportional to 173,966.40, 260,228.70 and 163,339.20

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Solution

The fourth proportional to 173,966.40, 260,228.70 and 163,339.20 is: 244,331.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,966.40 : 260,228.70 = 163,339.20 : x
  2. Step 2: Convert to fraction form
    173,966.40/260,228.70 = 163,339.20/x
  3. Step 3: Cross multiply
    173,966.40x = 260,228.70 × 163,339.20
  4. Step 4: Simplify right side
    173,966.40x = 42,505,547,675.04
  5. Step 5: Solve for x
    x = 42,505,547,675.04/173,966.40
  6. Step 6: Final answer
    x = 244,331.94

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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.