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Finding the Fourth Proportional to 219,548.68, 302,969.48 and 124,053.32

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Solution

The fourth proportional to 219,548.68, 302,969.48 and 124,053.32 is: 171,189.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,548.68 : 302,969.48 = 124,053.32 : x
  2. Step 2: Convert to fraction form
    219,548.68/302,969.48 = 124,053.32/x
  3. Step 3: Cross multiply
    219,548.68x = 302,969.48 × 124,053.32
  4. Step 4: Simplify right side
    219,548.68x = 37,584,369,852.67
  5. Step 5: Solve for x
    x = 37,584,369,852.67/219,548.68
  6. Step 6: Final answer
    x = 171,189.23

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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.