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Finding the Fourth Proportional to 188,401.60, 282,602.40 and 163,032.40

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Solution

The fourth proportional to 188,401.60, 282,602.40 and 163,032.40 is: 244,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,401.60 : 282,602.40 = 163,032.40 : x
  2. Step 2: Convert to fraction form
    188,401.60/282,602.40 = 163,032.40/x
  3. Step 3: Cross multiply
    188,401.60x = 282,602.40 × 163,032.40
  4. Step 4: Simplify right side
    188,401.60x = 46,073,347,517.76
  5. Step 5: Solve for x
    x = 46,073,347,517.76/188,401.60
  6. Step 6: Final answer
    x = 244,548.60

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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.