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Finding the Fourth Proportional to 161,810.64, 242,825.30 and 56,630.52

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Solution

The fourth proportional to 161,810.64, 242,825.30 and 56,630.52 is: 84,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,810.64 : 242,825.30 = 56,630.52 : x
  2. Step 2: Convert to fraction form
    161,810.64/242,825.30 = 56,630.52/x
  3. Step 3: Cross multiply
    161,810.64x = 242,825.30 × 56,630.52
  4. Step 4: Simplify right side
    161,810.64x = 13,751,323,008.16
  5. Step 5: Solve for x
    x = 13,751,323,008.16/161,810.64
  6. Step 6: Final answer
    x = 84,984.05

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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.