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Finding the Fourth Proportional to 225,269.84, 310,875.72 and 124,671.44

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Solution

The fourth proportional to 225,269.84, 310,875.72 and 124,671.44 is: 172,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,269.84 : 310,875.72 = 124,671.44 : x
  2. Step 2: Convert to fraction form
    225,269.84/310,875.72 = 124,671.44/x
  3. Step 3: Cross multiply
    225,269.84x = 310,875.72 × 124,671.44
  4. Step 4: Simplify right side
    225,269.84x = 38,757,323,673.44
  5. Step 5: Solve for x
    x = 38,757,323,673.44/225,269.84
  6. Step 6: Final answer
    x = 172,048.44

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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.