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Finding the Fourth Proportional to 186,453.86, 257,287.02 and 104,769.14

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Solution

The fourth proportional to 186,453.86, 257,287.02 and 104,769.14 is: 144,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,453.86 : 257,287.02 = 104,769.14 : x
  2. Step 2: Convert to fraction form
    186,453.86/257,287.02 = 104,769.14/x
  3. Step 3: Cross multiply
    186,453.86x = 257,287.02 × 104,769.14
  4. Step 4: Simplify right side
    186,453.86x = 26,955,738,532.13
  5. Step 5: Solve for x
    x = 26,955,738,532.13/186,453.86
  6. Step 6: Final answer
    x = 144,570.56

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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.