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Finding the Fourth Proportional to 186,602.90, 257,502.31 and 106,019.24

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Solution

The fourth proportional to 186,602.90, 257,502.31 and 106,019.24 is: 146,301.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,602.90 : 257,502.31 = 106,019.24 : x
  2. Step 2: Convert to fraction form
    186,602.90/257,502.31 = 106,019.24/x
  3. Step 3: Cross multiply
    186,602.90x = 257,502.31 × 106,019.24
  4. Step 4: Simplify right side
    186,602.90x = 27,300,197,651.88
  5. Step 5: Solve for x
    x = 27,300,197,651.88/186,602.90
  6. Step 6: Final answer
    x = 146,301.04

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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.