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Finding the Fourth Proportional to 243,040.10, 363,904.05 and 243,040.10

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Solution

The fourth proportional to 243,040.10, 363,904.05 and 243,040.10 is: 363,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,040.10 : 363,904.05 = 243,040.10 : x
  2. Step 2: Convert to fraction form
    243,040.10/363,904.05 = 243,040.10/x
  3. Step 3: Cross multiply
    243,040.10x = 363,904.05 × 243,040.10
  4. Step 4: Simplify right side
    243,040.10x = 88,443,276,702.41
  5. Step 5: Solve for x
    x = 88,443,276,702.41/243,040.10
  6. Step 6: Final answer
    x = 363,904.05

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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.