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Finding the Fourth Proportional to 252,555.70, 348,526.14 and 139,377.64

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Solution

The fourth proportional to 252,555.70, 348,526.14 and 139,377.64 is: 192,340.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,555.70 : 348,526.14 = 139,377.64 : x
  2. Step 2: Convert to fraction form
    252,555.70/348,526.14 = 139,377.64/x
  3. Step 3: Cross multiply
    252,555.70x = 348,526.14 × 139,377.64
  4. Step 4: Simplify right side
    252,555.70x = 48,576,750,871.51
  5. Step 5: Solve for x
    x = 48,576,750,871.51/252,555.70
  6. Step 6: Final answer
    x = 192,340.74

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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.