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Finding the Fourth Proportional to 295,140.60, 442,653.30 and 95,412.60

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Solution

The fourth proportional to 295,140.60, 442,653.30 and 95,412.60 is: 143,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,140.60 : 442,653.30 = 95,412.60 : x
  2. Step 2: Convert to fraction form
    295,140.60/442,653.30 = 95,412.60/x
  3. Step 3: Cross multiply
    295,140.60x = 442,653.30 × 95,412.60
  4. Step 4: Simplify right side
    295,140.60x = 42,234,702,251.58
  5. Step 5: Solve for x
    x = 42,234,702,251.58/295,140.60
  6. Step 6: Final answer
    x = 143,100.28

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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.