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Finding the Fourth Proportional to 93,234.80, 139,852.20 and 26,678.90

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Solution

The fourth proportional to 93,234.80, 139,852.20 and 26,678.90 is: 40,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,234.80 : 139,852.20 = 26,678.90 : x
  2. Step 2: Convert to fraction form
    93,234.80/139,852.20 = 26,678.90/x
  3. Step 3: Cross multiply
    93,234.80x = 139,852.20 × 26,678.90
  4. Step 4: Simplify right side
    93,234.80x = 3,731,102,858.58
  5. Step 5: Solve for x
    x = 3,731,102,858.58/93,234.80
  6. Step 6: Final answer
    x = 40,018.35

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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.