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Finding the Fourth Proportional to 161,280.56, 242,030.92 and 56,098.48

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Solution

The fourth proportional to 161,280.56, 242,030.92 and 56,098.48 is: 84,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,280.56 : 242,030.92 = 56,098.48 : x
  2. Step 2: Convert to fraction form
    161,280.56/242,030.92 = 56,098.48/x
  3. Step 3: Cross multiply
    161,280.56x = 242,030.92 × 56,098.48
  4. Step 4: Simplify right side
    161,280.56x = 13,577,566,725.00
  5. Step 5: Solve for x
    x = 13,577,566,725.00/161,280.56
  6. Step 6: Final answer
    x = 84,186.01

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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.