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Finding the Fourth Proportional to 186,607.71, 257,525.64 and 106,048.89

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Solution

The fourth proportional to 186,607.71, 257,525.64 and 106,048.89 is: 146,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,607.71 : 257,525.64 = 106,048.89 : x
  2. Step 2: Convert to fraction form
    186,607.71/257,525.64 = 106,048.89/x
  3. Step 3: Cross multiply
    186,607.71x = 257,525.64 × 106,048.89
  4. Step 4: Simplify right side
    186,607.71x = 27,310,308,268.54
  5. Step 5: Solve for x
    x = 27,310,308,268.54/186,607.71
  6. Step 6: Final answer
    x = 146,351.45

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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.