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Finding the Fourth Proportional to 163,558.40, 245,164.80 and 93,286.40

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Solution

The fourth proportional to 163,558.40, 245,164.80 and 93,286.40 is: 139,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,558.40 : 245,164.80 = 93,286.40 : x
  2. Step 2: Convert to fraction form
    163,558.40/245,164.80 = 93,286.40/x
  3. Step 3: Cross multiply
    163,558.40x = 245,164.80 × 93,286.40
  4. Step 4: Simplify right side
    163,558.40x = 22,870,541,598.72
  5. Step 5: Solve for x
    x = 22,870,541,598.72/163,558.40
  6. Step 6: Final answer
    x = 139,831.04

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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.