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Finding the Fourth Proportional to 252,554.70, 348,524.76 and 139,376.64

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Solution

The fourth proportional to 252,554.70, 348,524.76 and 139,376.64 is: 192,339.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,554.70 : 348,524.76 = 139,376.64 : x
  2. Step 2: Convert to fraction form
    252,554.70/348,524.76 = 139,376.64/x
  3. Step 3: Cross multiply
    252,554.70x = 348,524.76 × 139,376.64
  4. Step 4: Simplify right side
    252,554.70x = 48,576,210,005.61
  5. Step 5: Solve for x
    x = 48,576,210,005.61/252,554.70
  6. Step 6: Final answer
    x = 192,339.36

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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.