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Finding the Fourth Proportional to 295,011.60, 442,505.88 and 84,649.47

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Solution

The fourth proportional to 295,011.60, 442,505.88 and 84,649.47 is: 126,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,011.60 : 442,505.88 = 84,649.47 : x
  2. Step 2: Convert to fraction form
    295,011.60/442,505.88 = 84,649.47/x
  3. Step 3: Cross multiply
    295,011.60x = 442,505.88 × 84,649.47
  4. Step 4: Simplify right side
    295,011.60x = 37,457,888,213.88
  5. Step 5: Solve for x
    x = 37,457,888,213.88/295,011.60
  6. Step 6: Final answer
    x = 126,970.90

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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.