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Finding the Fourth Proportional to 70,800.08, 106,112.40 and 35,749.76

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Solution

The fourth proportional to 70,800.08, 106,112.40 and 35,749.76 is: 53,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,800.08 : 106,112.40 = 35,749.76 : x
  2. Step 2: Convert to fraction form
    70,800.08/106,112.40 = 35,749.76/x
  3. Step 3: Cross multiply
    70,800.08x = 106,112.40 × 35,749.76
  4. Step 4: Simplify right side
    70,800.08x = 3,793,492,833.02
  5. Step 5: Solve for x
    x = 3,793,492,833.02/70,800.08
  6. Step 6: Final answer
    x = 53,580.35

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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.