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Finding the Fourth Proportional to 115,368.70, 173,020.65 and 36,507.10

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Solution

The fourth proportional to 115,368.70, 173,020.65 and 36,507.10 is: 54,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,368.70 : 173,020.65 = 36,507.10 : x
  2. Step 2: Convert to fraction form
    115,368.70/173,020.65 = 36,507.10/x
  3. Step 3: Cross multiply
    115,368.70x = 173,020.65 × 36,507.10
  4. Step 4: Simplify right side
    115,368.70x = 6,316,482,171.62
  5. Step 5: Solve for x
    x = 6,316,482,171.62/115,368.70
  6. Step 6: Final answer
    x = 54,750.40

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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.