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Finding the Fourth Proportional to 119,950.40, 179,925.60 and 114,831.20

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Solution

The fourth proportional to 119,950.40, 179,925.60 and 114,831.20 is: 172,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,950.40 : 179,925.60 = 114,831.20 : x
  2. Step 2: Convert to fraction form
    119,950.40/179,925.60 = 114,831.20/x
  3. Step 3: Cross multiply
    119,950.40x = 179,925.60 × 114,831.20
  4. Step 4: Simplify right side
    119,950.40x = 20,661,072,558.72
  5. Step 5: Solve for x
    x = 20,661,072,558.72/119,950.40
  6. Step 6: Final answer
    x = 172,246.80

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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.