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Finding the Fourth Proportional to 162,312.67, 243,446.28 and 55,694.89

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Solution

The fourth proportional to 162,312.67, 243,446.28 and 55,694.89 is: 83,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,312.67 : 243,446.28 = 55,694.89 : x
  2. Step 2: Convert to fraction form
    162,312.67/243,446.28 = 55,694.89/x
  3. Step 3: Cross multiply
    162,312.67x = 243,446.28 × 55,694.89
  4. Step 4: Simplify right side
    162,312.67x = 13,558,713,785.51
  5. Step 5: Solve for x
    x = 13,558,713,785.51/162,312.67
  6. Step 6: Final answer
    x = 83,534.54

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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.