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Finding the Fourth Proportional to 118,280.46, 163,202.66 and 67,969.74

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Solution

The fourth proportional to 118,280.46, 163,202.66 and 67,969.74 is: 93,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,280.46 : 163,202.66 = 67,969.74 : x
  2. Step 2: Convert to fraction form
    118,280.46/163,202.66 = 67,969.74/x
  3. Step 3: Cross multiply
    118,280.46x = 163,202.66 × 67,969.74
  4. Step 4: Simplify right side
    118,280.46x = 11,092,842,367.51
  5. Step 5: Solve for x
    x = 11,092,842,367.51/118,280.46
  6. Step 6: Final answer
    x = 93,784.23

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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.