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Finding the Fourth Proportional to 93,698.65, 129,305.33 and 51,257.89

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Solution

The fourth proportional to 93,698.65, 129,305.33 and 51,257.89 is: 70,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,698.65 : 129,305.33 = 51,257.89 : x
  2. Step 2: Convert to fraction form
    93,698.65/129,305.33 = 51,257.89/x
  3. Step 3: Cross multiply
    93,698.65x = 129,305.33 × 51,257.89
  4. Step 4: Simplify right side
    93,698.65x = 6,627,918,381.55
  5. Step 5: Solve for x
    x = 6,627,918,381.55/93,698.65
  6. Step 6: Final answer
    x = 70,736.54

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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.