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Finding the Fourth Proportional to 168,001.40, 251,483.70 and 97,671.80

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Solution

The fourth proportional to 168,001.40, 251,483.70 and 97,671.80 is: 146,206.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,001.40 : 251,483.70 = 97,671.80 : x
  2. Step 2: Convert to fraction form
    168,001.40/251,483.70 = 97,671.80/x
  3. Step 3: Cross multiply
    168,001.40x = 251,483.70 × 97,671.80
  4. Step 4: Simplify right side
    168,001.40x = 24,562,865,649.66
  5. Step 5: Solve for x
    x = 24,562,865,649.66/168,001.40
  6. Step 6: Final answer
    x = 146,206.32

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1.5x scale

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.