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Finding the Fourth Proportional to 162,014.92, 242,999.98 and 43,693.40

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Solution

The fourth proportional to 162,014.92, 242,999.98 and 43,693.40 is: 65,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,014.92 : 242,999.98 = 43,693.40 : x
  2. Step 2: Convert to fraction form
    162,014.92/242,999.98 = 43,693.40/x
  3. Step 3: Cross multiply
    162,014.92x = 242,999.98 × 43,693.40
  4. Step 4: Simplify right side
    162,014.92x = 10,617,495,326.13
  5. Step 5: Solve for x
    x = 10,617,495,326.13/162,014.92
  6. Step 6: Final answer
    x = 65,534.06

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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.