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Finding the Fourth Proportional to 115,541.40, 173,312.10 and 53,333.40

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Solution

The fourth proportional to 115,541.40, 173,312.10 and 53,333.40 is: 80,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,541.40 : 173,312.10 = 53,333.40 : x
  2. Step 2: Convert to fraction form
    115,541.40/173,312.10 = 53,333.40/x
  3. Step 3: Cross multiply
    115,541.40x = 173,312.10 × 53,333.40
  4. Step 4: Simplify right side
    115,541.40x = 9,243,323,554.14
  5. Step 5: Solve for x
    x = 9,243,323,554.14/115,541.40
  6. Step 6: Final answer
    x = 80,000.10

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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.