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Finding the Fourth Proportional to 70,117.58, 96,749.24 and 39,901.11

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Solution

The fourth proportional to 70,117.58, 96,749.24 and 39,901.11 is: 55,056.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,117.58 : 96,749.24 = 39,901.11 : x
  2. Step 2: Convert to fraction form
    70,117.58/96,749.24 = 39,901.11/x
  3. Step 3: Cross multiply
    70,117.58x = 96,749.24 × 39,901.11
  4. Step 4: Simplify right side
    70,117.58x = 3,860,401,505.34
  5. Step 5: Solve for x
    x = 3,860,401,505.34/70,117.58
  6. Step 6: Final answer
    x = 55,056.11

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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.