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Finding the Fourth Proportional to 266,671.09, 368,098.77 and 153,538.93

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Solution

The fourth proportional to 266,671.09, 368,098.77 and 153,538.93 is: 211,937.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,671.09 : 368,098.77 = 153,538.93 : x
  2. Step 2: Convert to fraction form
    266,671.09/368,098.77 = 153,538.93/x
  3. Step 3: Cross multiply
    266,671.09x = 368,098.77 × 153,538.93
  4. Step 4: Simplify right side
    266,671.09x = 56,517,491,280.12
  5. Step 5: Solve for x
    x = 56,517,491,280.12/266,671.09
  6. Step 6: Final answer
    x = 211,937.08

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1.5x scale

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.