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Finding the Fourth Proportional to 186,550.88, 257,442.03 and 101,669.76

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Solution

The fourth proportional to 186,550.88, 257,442.03 and 101,669.76 is: 140,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,550.88 : 257,442.03 = 101,669.76 : x
  2. Step 2: Convert to fraction form
    186,550.88/257,442.03 = 101,669.76/x
  3. Step 3: Cross multiply
    186,550.88x = 257,442.03 × 101,669.76
  4. Step 4: Simplify right side
    186,550.88x = 26,174,069,404.01
  5. Step 5: Solve for x
    x = 26,174,069,404.01/186,550.88
  6. Step 6: Final answer
    x = 140,305.26

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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.