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Finding the Fourth Proportional to 271,875.48, 407,813.58 and 103,356.24

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Solution

The fourth proportional to 271,875.48, 407,813.58 and 103,356.24 is: 155,034.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,875.48 : 407,813.58 = 103,356.24 : x
  2. Step 2: Convert to fraction form
    271,875.48/407,813.58 = 103,356.24/x
  3. Step 3: Cross multiply
    271,875.48x = 407,813.58 × 103,356.24
  4. Step 4: Simplify right side
    271,875.48x = 42,150,078,249.74
  5. Step 5: Solve for x
    x = 42,150,078,249.74/271,875.48
  6. Step 6: Final answer
    x = 155,034.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.