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Finding the Fourth Proportional to 265,407.21, 366,505.37 and 168,642.94

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Solution

The fourth proportional to 265,407.21, 366,505.37 and 168,642.94 is: 232,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,407.21 : 366,505.37 = 168,642.94 : x
  2. Step 2: Convert to fraction form
    265,407.21/366,505.37 = 168,642.94/x
  3. Step 3: Cross multiply
    265,407.21x = 366,505.37 × 168,642.94
  4. Step 4: Simplify right side
    265,407.21x = 61,808,541,363.11
  5. Step 5: Solve for x
    x = 61,808,541,363.11/265,407.21
  6. Step 6: Final answer
    x = 232,881.92

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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.