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Finding the Fourth Proportional to 169,846.10, 234,390.53 and 93,368.42

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Solution

The fourth proportional to 169,846.10, 234,390.53 and 93,368.42 is: 128,850.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,846.10 : 234,390.53 = 93,368.42 : x
  2. Step 2: Convert to fraction form
    169,846.10/234,390.53 = 93,368.42/x
  3. Step 3: Cross multiply
    169,846.10x = 234,390.53 × 93,368.42
  4. Step 4: Simplify right side
    169,846.10x = 21,884,671,810.27
  5. Step 5: Solve for x
    x = 21,884,671,810.27/169,846.10
  6. Step 6: Final answer
    x = 128,850.01

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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.