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Finding the Fourth Proportional to 169,368.78, 233,712.06 and 97,771.86

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Solution

The fourth proportional to 169,368.78, 233,712.06 and 97,771.86 is: 134,915.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,368.78 : 233,712.06 = 97,771.86 : x
  2. Step 2: Convert to fraction form
    169,368.78/233,712.06 = 97,771.86/x
  3. Step 3: Cross multiply
    169,368.78x = 233,712.06 × 97,771.86
  4. Step 4: Simplify right side
    169,368.78x = 22,850,462,810.63
  5. Step 5: Solve for x
    x = 22,850,462,810.63/169,368.78
  6. Step 6: Final answer
    x = 134,915.44

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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.