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Finding the Fourth Proportional to 93,193.88, 139,790.16 and 55,764.38

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Solution

The fourth proportional to 93,193.88, 139,790.16 and 55,764.38 is: 83,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,193.88 : 139,790.16 = 55,764.38 : x
  2. Step 2: Convert to fraction form
    93,193.88/139,790.16 = 55,764.38/x
  3. Step 3: Cross multiply
    93,193.88x = 139,790.16 × 55,764.38
  4. Step 4: Simplify right side
    93,193.88x = 7,795,311,602.50
  5. Step 5: Solve for x
    x = 7,795,311,602.50/93,193.88
  6. Step 6: Final answer
    x = 83,646.18

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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.