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Finding the Fourth Proportional to 266,632.84, 368,045.98 and 153,500.68

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Solution

The fourth proportional to 266,632.84, 368,045.98 and 153,500.68 is: 211,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,632.84 : 368,045.98 = 153,500.68 : x
  2. Step 2: Convert to fraction form
    266,632.84/368,045.98 = 153,500.68/x
  3. Step 3: Cross multiply
    266,632.84x = 368,045.98 × 153,500.68
  4. Step 4: Simplify right side
    266,632.84x = 56,495,308,201.27
  5. Step 5: Solve for x
    x = 56,495,308,201.27/266,632.84
  6. Step 6: Final answer
    x = 211,884.28

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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.