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Finding the Fourth Proportional to 161,756.60, 242,634.90 and 56,564.60

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Solution

The fourth proportional to 161,756.60, 242,634.90 and 56,564.60 is: 84,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,756.60 : 242,634.90 = 56,564.60 : x
  2. Step 2: Convert to fraction form
    161,756.60/242,634.90 = 56,564.60/x
  3. Step 3: Cross multiply
    161,756.60x = 242,634.90 × 56,564.60
  4. Step 4: Simplify right side
    161,756.60x = 13,724,546,064.54
  5. Step 5: Solve for x
    x = 13,724,546,064.54/161,756.60
  6. Step 6: Final answer
    x = 84,846.90

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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.