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Finding the Fourth Proportional to 118,752.94, 163,875.84 and 67,764.73

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Solution

The fourth proportional to 118,752.94, 163,875.84 and 67,764.73 is: 93,513.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,752.94 : 163,875.84 = 67,764.73 : x
  2. Step 2: Convert to fraction form
    118,752.94/163,875.84 = 67,764.73/x
  3. Step 3: Cross multiply
    118,752.94x = 163,875.84 × 67,764.73
  4. Step 4: Simplify right side
    118,752.94x = 11,105,002,051.12
  5. Step 5: Solve for x
    x = 11,105,002,051.12/118,752.94
  6. Step 6: Final answer
    x = 93,513.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.