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Finding the Fourth Proportional to 295,154.40, 442,731.60 and 95,613.60

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Solution

The fourth proportional to 295,154.40, 442,731.60 and 95,613.60 is: 143,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,154.40 : 442,731.60 = 95,613.60 : x
  2. Step 2: Convert to fraction form
    295,154.40/442,731.60 = 95,613.60/x
  3. Step 3: Cross multiply
    295,154.40x = 442,731.60 × 95,613.60
  4. Step 4: Simplify right side
    295,154.40x = 42,331,162,109.76
  5. Step 5: Solve for x
    x = 42,331,162,109.76/295,154.40
  6. Step 6: Final answer
    x = 143,420.40

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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.