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Finding the Fourth Proportional to 118,193.94, 163,107.63 and 75,752.47

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Solution

The fourth proportional to 118,193.94, 163,107.63 and 75,752.47 is: 104,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,193.94 : 163,107.63 = 75,752.47 : x
  2. Step 2: Convert to fraction form
    118,193.94/163,107.63 = 75,752.47/x
  3. Step 3: Cross multiply
    118,193.94x = 163,107.63 × 75,752.47
  4. Step 4: Simplify right side
    118,193.94x = 12,355,805,848.35
  5. Step 5: Solve for x
    x = 12,355,805,848.35/118,193.94
  6. Step 6: Final answer
    x = 104,538.40

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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.