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Finding the Fourth Proportional to 180,055.10, 269,866.90 and 83,862.63

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Solution

The fourth proportional to 180,055.10, 269,866.90 and 83,862.63 is: 125,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,055.10 : 269,866.90 = 83,862.63 : x
  2. Step 2: Convert to fraction form
    180,055.10/269,866.90 = 83,862.63/x
  3. Step 3: Cross multiply
    180,055.10x = 269,866.90 × 83,862.63
  4. Step 4: Simplify right side
    180,055.10x = 22,631,747,774.29
  5. Step 5: Solve for x
    x = 22,631,747,774.29/180,055.10
  6. Step 6: Final answer
    x = 125,693.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.