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Finding the Fourth Proportional to 186,624.48, 257,544 and 101,740.80

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Solution

The fourth proportional to 186,624.48, 257,544 and 101,740.80 is: 140,403.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624.48 : 257,544 = 101,740.80 : x
  2. Step 2: Convert to fraction form
    186,624.48/257,544 = 101,740.80/x
  3. Step 3: Cross multiply
    186,624.48x = 257,544 × 101,740.80
  4. Step 4: Simplify right side
    186,624.48x = 26,202,732,595.20
  5. Step 5: Solve for x
    x = 26,202,732,595.20/186,624.48
  6. Step 6: Final answer
    x = 140,403.51

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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.