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Finding the Fourth Proportional to 93,367.40, 139,832.40 and 63,624.20

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Solution

The fourth proportional to 93,367.40, 139,832.40 and 63,624.20 is: 95,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,367.40 : 139,832.40 = 63,624.20 : x
  2. Step 2: Convert to fraction form
    93,367.40/139,832.40 = 63,624.20/x
  3. Step 3: Cross multiply
    93,367.40x = 139,832.40 × 63,624.20
  4. Step 4: Simplify right side
    93,367.40x = 8,896,724,584.08
  5. Step 5: Solve for x
    x = 8,896,724,584.08/93,367.40
  6. Step 6: Final answer
    x = 95,287.27

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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.