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Finding the Fourth Proportional to 153,860.40, 230,812.20 and 48,668.40

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Solution

The fourth proportional to 153,860.40, 230,812.20 and 48,668.40 is: 73,009.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,860.40 : 230,812.20 = 48,668.40 : x
  2. Step 2: Convert to fraction form
    153,860.40/230,812.20 = 48,668.40/x
  3. Step 3: Cross multiply
    153,860.40x = 230,812.20 × 48,668.40
  4. Step 4: Simplify right side
    153,860.40x = 11,233,260,474.48
  5. Step 5: Solve for x
    x = 11,233,260,474.48/153,860.40
  6. Step 6: Final answer
    x = 73,009.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.