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Finding the Fourth Proportional to 93,669.30, 140,503.95 and 54,303.30

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Solution

The fourth proportional to 93,669.30, 140,503.95 and 54,303.30 is: 81,454.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,669.30 : 140,503.95 = 54,303.30 : x
  2. Step 2: Convert to fraction form
    93,669.30/140,503.95 = 54,303.30/x
  3. Step 3: Cross multiply
    93,669.30x = 140,503.95 × 54,303.30
  4. Step 4: Simplify right side
    93,669.30x = 7,629,828,148.04
  5. Step 5: Solve for x
    x = 7,629,828,148.04/93,669.30
  6. Step 6: Final answer
    x = 81,454.95

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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.