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Finding the Fourth Proportional to 186,048.18, 256,745.12 and 101,165.22

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Solution

The fourth proportional to 186,048.18, 256,745.12 and 101,165.22 is: 139,607.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,048.18 : 256,745.12 = 101,165.22 : x
  2. Step 2: Convert to fraction form
    186,048.18/256,745.12 = 101,165.22/x
  3. Step 3: Cross multiply
    186,048.18x = 256,745.12 × 101,165.22
  4. Step 4: Simplify right side
    186,048.18x = 25,973,676,042.90
  5. Step 5: Solve for x
    x = 25,973,676,042.90/186,048.18
  6. Step 6: Final answer
    x = 139,607.26

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1.5x scale

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.