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Finding the Fourth Proportional to 161,883.42, 242,934.21 and 56,703.30

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Solution

The fourth proportional to 161,883.42, 242,934.21 and 56,703.30 is: 85,093.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,883.42 : 242,934.21 = 56,703.30 : x
  2. Step 2: Convert to fraction form
    161,883.42/242,934.21 = 56,703.30/x
  3. Step 3: Cross multiply
    161,883.42x = 242,934.21 × 56,703.30
  4. Step 4: Simplify right side
    161,883.42x = 13,775,171,389.89
  5. Step 5: Solve for x
    x = 13,775,171,389.89/161,883.42
  6. Step 6: Final answer
    x = 85,093.16

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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.