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Finding the Fourth Proportional to 186,682.76, 257,623.38 and 101,801.24

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Solution

The fourth proportional to 186,682.76, 257,623.38 and 101,801.24 is: 140,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,682.76 : 257,623.38 = 101,801.24 : x
  2. Step 2: Convert to fraction form
    186,682.76/257,623.38 = 101,801.24/x
  3. Step 3: Cross multiply
    186,682.76x = 257,623.38 × 101,801.24
  4. Step 4: Simplify right side
    186,682.76x = 26,226,379,536.99
  5. Step 5: Solve for x
    x = 26,226,379,536.99/186,682.76
  6. Step 6: Final answer
    x = 140,486.35

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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.