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Finding the Fourth Proportional to 161,607.91, 242,341.47 and 54,962.96

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Solution

The fourth proportional to 161,607.91, 242,341.47 and 54,962.96 is: 82,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,607.91 : 242,341.47 = 54,962.96 : x
  2. Step 2: Convert to fraction form
    161,607.91/242,341.47 = 54,962.96/x
  3. Step 3: Cross multiply
    161,607.91x = 242,341.47 × 54,962.96
  4. Step 4: Simplify right side
    161,607.91x = 13,319,803,310.24
  5. Step 5: Solve for x
    x = 13,319,803,310.24/161,607.91
  6. Step 6: Final answer
    x = 82,420.49

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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.