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Finding the Fourth Proportional to 93,329.40, 128,797.32 and 53,044.86

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Solution

The fourth proportional to 93,329.40, 128,797.32 and 53,044.86 is: 73,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,329.40 : 128,797.32 = 53,044.86 : x
  2. Step 2: Convert to fraction form
    93,329.40/128,797.32 = 53,044.86/x
  3. Step 3: Cross multiply
    93,329.40x = 128,797.32 × 53,044.86
  4. Step 4: Simplify right side
    93,329.40x = 6,832,035,807.78
  5. Step 5: Solve for x
    x = 6,832,035,807.78/93,329.40
  6. Step 6: Final answer
    x = 73,203.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.