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Finding the Fourth Proportional to 93,059.28, 139,472.28 and 46,325.52

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Solution

The fourth proportional to 93,059.28, 139,472.28 and 46,325.52 is: 69,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,059.28 : 139,472.28 = 46,325.52 : x
  2. Step 2: Convert to fraction form
    93,059.28/139,472.28 = 46,325.52/x
  3. Step 3: Cross multiply
    93,059.28x = 139,472.28 × 46,325.52
  4. Step 4: Simplify right side
    93,059.28x = 6,461,125,896.59
  5. Step 5: Solve for x
    x = 6,461,125,896.59/93,059.28
  6. Step 6: Final answer
    x = 69,430.22

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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.