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Finding the Fourth Proportional to 162,010.08, 243,013.44 and 55,393.08

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Solution

The fourth proportional to 162,010.08, 243,013.44 and 55,393.08 is: 83,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,010.08 : 243,013.44 = 55,393.08 : x
  2. Step 2: Convert to fraction form
    162,010.08/243,013.44 = 55,393.08/x
  3. Step 3: Cross multiply
    162,010.08x = 243,013.44 × 55,393.08
  4. Step 4: Simplify right side
    162,010.08x = 13,461,262,923.00
  5. Step 5: Solve for x
    x = 13,461,262,923.00/162,010.08
  6. Step 6: Final answer
    x = 83,089.05

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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.