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Finding the Fourth Proportional to 93,066.32, 139,531.41 and 29,850.45

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Solution

The fourth proportional to 93,066.32, 139,531.41 and 29,850.45 is: 44,753.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,066.32 : 139,531.41 = 29,850.45 : x
  2. Step 2: Convert to fraction form
    93,066.32/139,531.41 = 29,850.45/x
  3. Step 3: Cross multiply
    93,066.32x = 139,531.41 × 29,850.45
  4. Step 4: Simplify right side
    93,066.32x = 4,165,075,246.82
  5. Step 5: Solve for x
    x = 4,165,075,246.82/93,066.32
  6. Step 6: Final answer
    x = 44,753.84

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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.