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Finding the Fourth Proportional to 118,280.96, 163,203.35 and 67,970.24

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Solution

The fourth proportional to 118,280.96, 163,203.35 and 67,970.24 is: 93,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,280.96 : 163,203.35 = 67,970.24 : x
  2. Step 2: Convert to fraction form
    118,280.96/163,203.35 = 67,970.24/x
  3. Step 3: Cross multiply
    118,280.96x = 163,203.35 × 67,970.24
  4. Step 4: Simplify right side
    118,280.96x = 11,092,970,868.30
  5. Step 5: Solve for x
    x = 11,092,970,868.30/118,280.96
  6. Step 6: Final answer
    x = 93,784.92

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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.