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Finding the Fourth Proportional to 180,554.81, 249,144.43 and 104,073.02

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Solution

The fourth proportional to 180,554.81, 249,144.43 and 104,073.02 is: 143,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,554.81 : 249,144.43 = 104,073.02 : x
  2. Step 2: Convert to fraction form
    180,554.81/249,144.43 = 104,073.02/x
  3. Step 3: Cross multiply
    180,554.81x = 249,144.43 × 104,073.02
  4. Step 4: Simplify right side
    180,554.81x = 25,929,213,999.23
  5. Step 5: Solve for x
    x = 25,929,213,999.23/180,554.81
  6. Step 6: Final answer
    x = 143,608.55

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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.