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Finding the Fourth Proportional to 173,394, 260,091 and 42,066

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Solution

The fourth proportional to 173,394, 260,091 and 42,066 is: 63,099

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,394 : 260,091 = 42,066 : x
  2. Step 2: Convert to fraction form
    173,394/260,091 = 42,066/x
  3. Step 3: Cross multiply
    173,394x = 260,091 × 42,066
  4. Step 4: Simplify right side
    173,394x = 10,940,988,006
  5. Step 5: Solve for x
    x = 10,940,988,006/173,394
  6. Step 6: Final answer
    x = 63,099

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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.