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Finding the Fourth Proportional to 124,564.60, 186,846.90 and 35,810.20

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Solution

The fourth proportional to 124,564.60, 186,846.90 and 35,810.20 is: 53,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,564.60 : 186,846.90 = 35,810.20 : x
  2. Step 2: Convert to fraction form
    124,564.60/186,846.90 = 35,810.20/x
  3. Step 3: Cross multiply
    124,564.60x = 186,846.90 × 35,810.20
  4. Step 4: Simplify right side
    124,564.60x = 6,691,024,858.38
  5. Step 5: Solve for x
    x = 6,691,024,858.38/124,564.60
  6. Step 6: Final answer
    x = 53,715.30

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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.