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Finding the Fourth Proportional to 295,155.44, 442,579.42 and 105,542.72

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Solution

The fourth proportional to 295,155.44, 442,579.42 and 105,542.72 is: 158,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,155.44 : 442,579.42 = 105,542.72 : x
  2. Step 2: Convert to fraction form
    295,155.44/442,579.42 = 105,542.72/x
  3. Step 3: Cross multiply
    295,155.44x = 442,579.42 × 105,542.72
  4. Step 4: Simplify right side
    295,155.44x = 46,711,035,802.82
  5. Step 5: Solve for x
    x = 46,711,035,802.82/295,155.44
  6. Step 6: Final answer
    x = 158,259.11

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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.