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Finding the Fourth Proportional to 295,280.51, 442,979.10 and 108,293.63

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Solution

The fourth proportional to 295,280.51, 442,979.10 and 108,293.63 is: 162,461.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,280.51 : 442,979.10 = 108,293.63 : x
  2. Step 2: Convert to fraction form
    295,280.51/442,979.10 = 108,293.63/x
  3. Step 3: Cross multiply
    295,280.51x = 442,979.10 × 108,293.63
  4. Step 4: Simplify right side
    295,280.51x = 47,971,814,753.13
  5. Step 5: Solve for x
    x = 47,971,814,753.13/295,280.51
  6. Step 6: Final answer
    x = 162,461.84

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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.