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Finding the Fourth Proportional to 186,900.48, 257,928.48 and 106,339.68

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Solution

The fourth proportional to 186,900.48, 257,928.48 and 106,339.68 is: 146,752.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,900.48 : 257,928.48 = 106,339.68 : x
  2. Step 2: Convert to fraction form
    186,900.48/257,928.48 = 106,339.68/x
  3. Step 3: Cross multiply
    186,900.48x = 257,928.48 × 106,339.68
  4. Step 4: Simplify right side
    186,900.48x = 27,428,032,026.09
  5. Step 5: Solve for x
    x = 27,428,032,026.09/186,900.48
  6. Step 6: Final answer
    x = 146,752.07

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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.