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Finding the Fourth Proportional to 229,122.40, 343,683.60 and 162,637.60

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Solution

The fourth proportional to 229,122.40, 343,683.60 and 162,637.60 is: 243,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,122.40 : 343,683.60 = 162,637.60 : x
  2. Step 2: Convert to fraction form
    229,122.40/343,683.60 = 162,637.60/x
  3. Step 3: Cross multiply
    229,122.40x = 343,683.60 × 162,637.60
  4. Step 4: Simplify right side
    229,122.40x = 55,895,875,863.36
  5. Step 5: Solve for x
    x = 55,895,875,863.36/229,122.40
  6. Step 6: Final answer
    x = 243,956.40

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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.