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Finding the Fourth Proportional to 162,016.70, 243,025.05 and 152,831.30

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Solution

The fourth proportional to 162,016.70, 243,025.05 and 152,831.30 is: 229,246.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,016.70 : 243,025.05 = 152,831.30 : x
  2. Step 2: Convert to fraction form
    162,016.70/243,025.05 = 152,831.30/x
  3. Step 3: Cross multiply
    162,016.70x = 243,025.05 × 152,831.30
  4. Step 4: Simplify right side
    162,016.70x = 37,141,834,324.07
  5. Step 5: Solve for x
    x = 37,141,834,324.07/162,016.70
  6. Step 6: Final answer
    x = 229,246.95

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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.