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Finding the Fourth Proportional to 93,051.21, 139,581.14 and 29,873.91

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Solution

The fourth proportional to 93,051.21, 139,581.14 and 29,873.91 is: 44,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,051.21 : 139,581.14 = 29,873.91 : x
  2. Step 2: Convert to fraction form
    93,051.21/139,581.14 = 29,873.91/x
  3. Step 3: Cross multiply
    93,051.21x = 139,581.14 × 29,873.91
  4. Step 4: Simplify right side
    93,051.21x = 4,169,834,264.69
  5. Step 5: Solve for x
    x = 4,169,834,264.69/93,051.21
  6. Step 6: Final answer
    x = 44,812.25

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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.