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Finding the Fourth Proportional to 93,996.40, 129,713.34 and 53,159.89

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Solution

The fourth proportional to 93,996.40, 129,713.34 and 53,159.89 is: 73,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,996.40 : 129,713.34 = 53,159.89 : x
  2. Step 2: Convert to fraction form
    93,996.40/129,713.34 = 53,159.89/x
  3. Step 3: Cross multiply
    93,996.40x = 129,713.34 × 53,159.89
  4. Step 4: Simplify right side
    93,996.40x = 6,895,546,885.93
  5. Step 5: Solve for x
    x = 6,895,546,885.93/93,996.40
  6. Step 6: Final answer
    x = 73,359.69

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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.