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Finding the Fourth Proportional to 295,242.60, 442,820.70 and 84,858.60

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Solution

The fourth proportional to 295,242.60, 442,820.70 and 84,858.60 is: 127,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,242.60 : 442,820.70 = 84,858.60 : x
  2. Step 2: Convert to fraction form
    295,242.60/442,820.70 = 84,858.60/x
  3. Step 3: Cross multiply
    295,242.60x = 442,820.70 × 84,858.60
  4. Step 4: Simplify right side
    295,242.60x = 37,577,144,653.02
  5. Step 5: Solve for x
    x = 37,577,144,653.02/295,242.60
  6. Step 6: Final answer
    x = 127,275.48

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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.