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Finding the Fourth Proportional to 93,235.38, 139,188.42 and 89,954.88

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Solution

The fourth proportional to 93,235.38, 139,188.42 and 89,954.88 is: 134,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,235.38 : 139,188.42 = 89,954.88 : x
  2. Step 2: Convert to fraction form
    93,235.38/139,188.42 = 89,954.88/x
  3. Step 3: Cross multiply
    93,235.38x = 139,188.42 × 89,954.88
  4. Step 4: Simplify right side
    93,235.38x = 12,520,677,618.49
  5. Step 5: Solve for x
    x = 12,520,677,618.49/93,235.38
  6. Step 6: Final answer
    x = 134,291.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.