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Finding the Fourth Proportional to 295,073.60, 442,610.40 and 98,081.60

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Solution

The fourth proportional to 295,073.60, 442,610.40 and 98,081.60 is: 147,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,073.60 : 442,610.40 = 98,081.60 : x
  2. Step 2: Convert to fraction form
    295,073.60/442,610.40 = 98,081.60/x
  3. Step 3: Cross multiply
    295,073.60x = 442,610.40 × 98,081.60
  4. Step 4: Simplify right side
    295,073.60x = 43,411,936,208.64
  5. Step 5: Solve for x
    x = 43,411,936,208.64/295,073.60
  6. Step 6: Final answer
    x = 147,122.40

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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.