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Finding the Fourth Proportional to 93,761.40, 129,384.24 and 53,476.88

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Solution

The fourth proportional to 93,761.40, 129,384.24 and 53,476.88 is: 73,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,761.40 : 129,384.24 = 53,476.88 : x
  2. Step 2: Convert to fraction form
    93,761.40/129,384.24 = 53,476.88/x
  3. Step 3: Cross multiply
    93,761.40x = 129,384.24 × 53,476.88
  4. Step 4: Simplify right side
    93,761.40x = 6,919,065,476.37
  5. Step 5: Solve for x
    x = 6,919,065,476.37/93,761.40
  6. Step 6: Final answer
    x = 73,794.39

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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.