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Finding the Fourth Proportional to 266,655.41, 368,007.18 and 151,969.13

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Solution

The fourth proportional to 266,655.41, 368,007.18 and 151,969.13 is: 209,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,655.41 : 368,007.18 = 151,969.13 : x
  2. Step 2: Convert to fraction form
    266,655.41/368,007.18 = 151,969.13/x
  3. Step 3: Cross multiply
    266,655.41x = 368,007.18 × 151,969.13
  4. Step 4: Simplify right side
    266,655.41x = 55,925,730,978.35
  5. Step 5: Solve for x
    x = 55,925,730,978.35/266,655.41
  6. Step 6: Final answer
    x = 209,730.34

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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.