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Finding the Fourth Proportional to 252,260.70, 348,118.05 and 139,083.45

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Solution

The fourth proportional to 252,260.70, 348,118.05 and 139,083.45 is: 191,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,260.70 : 348,118.05 = 139,083.45 : x
  2. Step 2: Convert to fraction form
    252,260.70/348,118.05 = 139,083.45/x
  3. Step 3: Cross multiply
    252,260.70x = 348,118.05 × 139,083.45
  4. Step 4: Simplify right side
    252,260.70x = 48,417,459,401.27
  5. Step 5: Solve for x
    x = 48,417,459,401.27/252,260.70
  6. Step 6: Final answer
    x = 191,934.21

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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.