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Finding the Fourth Proportional to 216,957.60, 325,436.40 and 92,282.40

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Solution

The fourth proportional to 216,957.60, 325,436.40 and 92,282.40 is: 138,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,957.60 : 325,436.40 = 92,282.40 : x
  2. Step 2: Convert to fraction form
    216,957.60/325,436.40 = 92,282.40/x
  3. Step 3: Cross multiply
    216,957.60x = 325,436.40 × 92,282.40
  4. Step 4: Simplify right side
    216,957.60x = 30,032,052,039.36
  5. Step 5: Solve for x
    x = 30,032,052,039.36/216,957.60
  6. Step 6: Final answer
    x = 138,423.60

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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.