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Finding the Fourth Proportional to 162,272.16, 243,428.76 and 55,676.88

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Solution

The fourth proportional to 162,272.16, 243,428.76 and 55,676.88 is: 83,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,272.16 : 243,428.76 = 55,676.88 : x
  2. Step 2: Convert to fraction form
    162,272.16/243,428.76 = 55,676.88/x
  3. Step 3: Cross multiply
    162,272.16x = 243,428.76 × 55,676.88
  4. Step 4: Simplify right side
    162,272.16x = 13,553,353,859.07
  5. Step 5: Solve for x
    x = 13,553,353,859.07/162,272.16
  6. Step 6: Final answer
    x = 83,522.36

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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.