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Finding the Fourth Proportional to 93,694.73, 129,301.79 and 53,407.76

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Solution

The fourth proportional to 93,694.73, 129,301.79 and 53,407.76 is: 73,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,694.73 : 129,301.79 = 53,407.76 : x
  2. Step 2: Convert to fraction form
    93,694.73/129,301.79 = 53,407.76/x
  3. Step 3: Cross multiply
    93,694.73x = 129,301.79 × 53,407.76
  4. Step 4: Simplify right side
    93,694.73x = 6,905,718,054.34
  5. Step 5: Solve for x
    x = 6,905,718,054.34/93,694.73
  6. Step 6: Final answer
    x = 73,704.45

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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.