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Finding the Fourth Proportional to 93,996.95, 129,714.90 and 51,555.65

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Solution

The fourth proportional to 93,996.95, 129,714.90 and 51,555.65 is: 71,146.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,996.95 : 129,714.90 = 51,555.65 : x
  2. Step 2: Convert to fraction form
    93,996.95/129,714.90 = 51,555.65/x
  3. Step 3: Cross multiply
    93,996.95x = 129,714.90 × 51,555.65
  4. Step 4: Simplify right side
    93,996.95x = 6,687,535,984.19
  5. Step 5: Solve for x
    x = 6,687,535,984.19/93,996.95
  6. Step 6: Final answer
    x = 71,146.31

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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.