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Finding the Fourth Proportional to 126,303, 174,298.16 and 69,714.39

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Solution

The fourth proportional to 126,303, 174,298.16 and 69,714.39 is: 96,205.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,303 : 174,298.16 = 69,714.39 : x
  2. Step 2: Convert to fraction form
    126,303/174,298.16 = 69,714.39/x
  3. Step 3: Cross multiply
    126,303x = 174,298.16 × 69,714.39
  4. Step 4: Simplify right side
    126,303x = 12,151,089,553.95
  5. Step 5: Solve for x
    x = 12,151,089,553.95/126,303
  6. Step 6: Final answer
    x = 96,205.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.