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Finding the Fourth Proportional to 118,675.41, 178,012.71 and 48,554.72

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Solution

The fourth proportional to 118,675.41, 178,012.71 and 48,554.72 is: 72,831.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,675.41 : 178,012.71 = 48,554.72 : x
  2. Step 2: Convert to fraction form
    118,675.41/178,012.71 = 48,554.72/x
  3. Step 3: Cross multiply
    118,675.41x = 178,012.71 × 48,554.72
  4. Step 4: Simplify right side
    118,675.41x = 8,643,357,735.52
  5. Step 5: Solve for x
    x = 8,643,357,735.52/118,675.41
  6. Step 6: Final answer
    x = 72,831.92

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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.