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Finding the Fourth Proportional to 163,156.48, 244,705.52 and 103,815.88

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Solution

The fourth proportional to 163,156.48, 244,705.52 and 103,815.88 is: 155,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,156.48 : 244,705.52 = 103,815.88 : x
  2. Step 2: Convert to fraction form
    163,156.48/244,705.52 = 103,815.88/x
  3. Step 3: Cross multiply
    163,156.48x = 244,705.52 × 103,815.88
  4. Step 4: Simplify right side
    163,156.48x = 25,404,318,547.43
  5. Step 5: Solve for x
    x = 25,404,318,547.43/163,156.48
  6. Step 6: Final answer
    x = 155,705.24

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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.