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Finding the Fourth Proportional to 126,454.65, 174,492.48 and 75,457.92

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Solution

The fourth proportional to 126,454.65, 174,492.48 and 75,457.92 is: 104,123.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,454.65 : 174,492.48 = 75,457.92 : x
  2. Step 2: Convert to fraction form
    126,454.65/174,492.48 = 75,457.92/x
  3. Step 3: Cross multiply
    126,454.65x = 174,492.48 × 75,457.92
  4. Step 4: Simplify right side
    126,454.65x = 13,166,839,596.44
  5. Step 5: Solve for x
    x = 13,166,839,596.44/126,454.65
  6. Step 6: Final answer
    x = 104,123.02

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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.