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Finding the Fourth Proportional to 70,483.52, 106,147.63 and 64,184.96

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Solution

The fourth proportional to 70,483.52, 106,147.63 and 64,184.96 is: 96,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,483.52 : 106,147.63 = 64,184.96 : x
  2. Step 2: Convert to fraction form
    70,483.52/106,147.63 = 64,184.96/x
  3. Step 3: Cross multiply
    70,483.52x = 106,147.63 × 64,184.96
  4. Step 4: Simplify right side
    70,483.52x = 6,813,081,385.64
  5. Step 5: Solve for x
    x = 6,813,081,385.64/70,483.52
  6. Step 6: Final answer
    x = 96,662.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.