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Finding the Fourth Proportional to 107,244.81, 148,004.85 and 61,924.70

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Solution

The fourth proportional to 107,244.81, 148,004.85 and 61,924.70 is: 85,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,244.81 : 148,004.85 = 61,924.70 : x
  2. Step 2: Convert to fraction form
    107,244.81/148,004.85 = 61,924.70/x
  3. Step 3: Cross multiply
    107,244.81x = 148,004.85 × 61,924.70
  4. Step 4: Simplify right side
    107,244.81x = 9,165,155,625.17
  5. Step 5: Solve for x
    x = 9,165,155,625.17/107,244.81
  6. Step 6: Final answer
    x = 85,460.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.