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Finding the Fourth Proportional to 93,326.58, 139,989.81 and 23,205.87

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Solution

The fourth proportional to 93,326.58, 139,989.81 and 23,205.87 is: 34,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,326.58 : 139,989.81 = 23,205.87 : x
  2. Step 2: Convert to fraction form
    93,326.58/139,989.81 = 23,205.87/x
  3. Step 3: Cross multiply
    93,326.58x = 139,989.81 × 23,205.87
  4. Step 4: Simplify right side
    93,326.58x = 3,248,585,332.18
  5. Step 5: Solve for x
    x = 3,248,585,332.18/93,326.58
  6. Step 6: Final answer
    x = 34,808.79

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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.