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Finding the Fourth Proportional to 162,831.20, 244,246.80 and 154,277.60

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Solution

The fourth proportional to 162,831.20, 244,246.80 and 154,277.60 is: 231,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,831.20 : 244,246.80 = 154,277.60 : x
  2. Step 2: Convert to fraction form
    162,831.20/244,246.80 = 154,277.60/x
  3. Step 3: Cross multiply
    162,831.20x = 244,246.80 × 154,277.60
  4. Step 4: Simplify right side
    162,831.20x = 37,681,810,111.68
  5. Step 5: Solve for x
    x = 37,681,810,111.68/162,831.20
  6. Step 6: Final answer
    x = 231,416.40

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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.