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Finding the Fourth Proportional to 266,671.59, 368,099.46 and 153,539.43

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Solution

The fourth proportional to 266,671.59, 368,099.46 and 153,539.43 is: 211,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,671.59 : 368,099.46 = 153,539.43 : x
  2. Step 2: Convert to fraction form
    266,671.59/368,099.46 = 153,539.43/x
  3. Step 3: Cross multiply
    266,671.59x = 368,099.46 × 153,539.43
  4. Step 4: Simplify right side
    266,671.59x = 56,517,781,271.71
  5. Step 5: Solve for x
    x = 56,517,781,271.71/266,671.59
  6. Step 6: Final answer
    x = 211,937.77

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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.