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Finding the Fourth Proportional to 93,145.01, 139,731.48 and 43,230.24

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Solution

The fourth proportional to 93,145.01, 139,731.48 and 43,230.24 is: 64,851.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,145.01 : 139,731.48 = 43,230.24 : x
  2. Step 2: Convert to fraction form
    93,145.01/139,731.48 = 43,230.24/x
  3. Step 3: Cross multiply
    93,145.01x = 139,731.48 × 43,230.24
  4. Step 4: Simplify right side
    93,145.01x = 6,040,625,415.96
  5. Step 5: Solve for x
    x = 6,040,625,415.96/93,145.01
  6. Step 6: Final answer
    x = 64,851.84

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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.