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Finding the Fourth Proportional to 93,930.98, 129,628.04 and 53,644.01

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Solution

The fourth proportional to 93,930.98, 129,628.04 and 53,644.01 is: 74,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,930.98 : 129,628.04 = 53,644.01 : x
  2. Step 2: Convert to fraction form
    93,930.98/129,628.04 = 53,644.01/x
  3. Step 3: Cross multiply
    93,930.98x = 129,628.04 × 53,644.01
  4. Step 4: Simplify right side
    93,930.98x = 6,953,766,957.68
  5. Step 5: Solve for x
    x = 6,953,766,957.68/93,930.98
  6. Step 6: Final answer
    x = 74,030.61

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1.5x scale

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.