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Finding the Fourth Proportional to 161,497.05, 242,261.70 and 61,741.16

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Solution

The fourth proportional to 161,497.05, 242,261.70 and 61,741.16 is: 92,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,497.05 : 242,261.70 = 61,741.16 : x
  2. Step 2: Convert to fraction form
    161,497.05/242,261.70 = 61,741.16/x
  3. Step 3: Cross multiply
    161,497.05x = 242,261.70 × 61,741.16
  4. Step 4: Simplify right side
    161,497.05x = 14,957,518,381.57
  5. Step 5: Solve for x
    x = 14,957,518,381.57/161,497.05
  6. Step 6: Final answer
    x = 92,617.90

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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.