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Finding the Fourth Proportional to 162,355.50, 243,536.90 and 55,739.25

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Solution

The fourth proportional to 162,355.50, 243,536.90 and 55,739.25 is: 83,610.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,355.50 : 243,536.90 = 55,739.25 : x
  2. Step 2: Convert to fraction form
    162,355.50/243,536.90 = 55,739.25/x
  3. Step 3: Cross multiply
    162,355.50x = 243,536.90 × 55,739.25
  4. Step 4: Simplify right side
    162,355.50x = 13,574,563,874.63
  5. Step 5: Solve for x
    x = 13,574,563,874.63/162,355.50
  6. Step 6: Final answer
    x = 83,610.13

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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.