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Finding the Fourth Proportional to 163,457.88, 225,547.47 and 91,824.27

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Solution

The fourth proportional to 163,457.88, 225,547.47 and 91,824.27 is: 126,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,457.88 : 225,547.47 = 91,824.27 : x
  2. Step 2: Convert to fraction form
    163,457.88/225,547.47 = 91,824.27/x
  3. Step 3: Cross multiply
    163,457.88x = 225,547.47 × 91,824.27
  4. Step 4: Simplify right side
    163,457.88x = 20,710,731,783.10
  5. Step 5: Solve for x
    x = 20,710,731,783.10/163,457.88
  6. Step 6: Final answer
    x = 126,703.78

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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.