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Finding the Fourth Proportional to 252,552.76, 348,511.83 and 137,828.50

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Solution

The fourth proportional to 252,552.76, 348,511.83 and 137,828.50 is: 190,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,552.76 : 348,511.83 = 137,828.50 : x
  2. Step 2: Convert to fraction form
    252,552.76/348,511.83 = 137,828.50/x
  3. Step 3: Cross multiply
    252,552.76x = 348,511.83 × 137,828.50
  4. Step 4: Simplify right side
    252,552.76x = 48,034,862,761.16
  5. Step 5: Solve for x
    x = 48,034,862,761.16/252,552.76
  6. Step 6: Final answer
    x = 190,197.34

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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.