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Finding the Fourth Proportional to 245,833, 368,892.90 and 103,669.48

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Solution

The fourth proportional to 245,833, 368,892.90 and 103,669.48 is: 155,564.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,833 : 368,892.90 = 103,669.48 : x
  2. Step 2: Convert to fraction form
    245,833/368,892.90 = 103,669.48/x
  3. Step 3: Cross multiply
    245,833x = 368,892.90 × 103,669.48
  4. Step 4: Simplify right side
    245,833x = 38,242,935,118.69
  5. Step 5: Solve for x
    x = 38,242,935,118.69/245,833
  6. Step 6: Final answer
    x = 155,564.69

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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.