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Finding the Fourth Proportional to 161,393.62, 242,090.45 and 43,065.40

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Solution

The fourth proportional to 161,393.62, 242,090.45 and 43,065.40 is: 64,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,393.62 : 242,090.45 = 43,065.40 : x
  2. Step 2: Convert to fraction form
    161,393.62/242,090.45 = 43,065.40/x
  3. Step 3: Cross multiply
    161,393.62x = 242,090.45 × 43,065.40
  4. Step 4: Simplify right side
    161,393.62x = 10,425,722,065.43
  5. Step 5: Solve for x
    x = 10,425,722,065.43/161,393.62
  6. Step 6: Final answer
    x = 64,598.11

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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.