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Finding the Fourth Proportional to 192,335.18, 288,412.16 and 112,396.23

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Solution

The fourth proportional to 192,335.18, 288,412.16 and 112,396.23 is: 168,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,335.18 : 288,412.16 = 112,396.23 : x
  2. Step 2: Convert to fraction form
    192,335.18/288,412.16 = 112,396.23/x
  3. Step 3: Cross multiply
    192,335.18x = 288,412.16 × 112,396.23
  4. Step 4: Simplify right side
    192,335.18x = 32,416,438,908.18
  5. Step 5: Solve for x
    x = 32,416,438,908.18/192,335.18
  6. Step 6: Final answer
    x = 168,541.40

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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.