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Finding the Fourth Proportional to 58,920.10, 88,164.15 and 43,368.10

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Solution

The fourth proportional to 58,920.10, 88,164.15 and 43,368.10 is: 64,893.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,920.10 : 88,164.15 = 43,368.10 : x
  2. Step 2: Convert to fraction form
    58,920.10/88,164.15 = 43,368.10/x
  3. Step 3: Cross multiply
    58,920.10x = 88,164.15 × 43,368.10
  4. Step 4: Simplify right side
    58,920.10x = 3,823,511,673.62
  5. Step 5: Solve for x
    x = 3,823,511,673.62/58,920.10
  6. Step 6: Final answer
    x = 64,893.16

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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.