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Finding the Fourth Proportional to 118,894.47, 178,289.83 and 44,970.63

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Solution

The fourth proportional to 118,894.47, 178,289.83 and 44,970.63 is: 67,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,894.47 : 178,289.83 = 44,970.63 : x
  2. Step 2: Convert to fraction form
    118,894.47/178,289.83 = 44,970.63/x
  3. Step 3: Cross multiply
    118,894.47x = 178,289.83 × 44,970.63
  4. Step 4: Simplify right side
    118,894.47x = 8,017,805,977.69
  5. Step 5: Solve for x
    x = 8,017,805,977.69/118,894.47
  6. Step 6: Final answer
    x = 67,436.32

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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.