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Finding the Fourth Proportional to 252,035.42, 347,808.68 and 138,858.17

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Solution

The fourth proportional to 252,035.42, 347,808.68 and 138,858.17 is: 191,624.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,035.42 : 347,808.68 = 138,858.17 : x
  2. Step 2: Convert to fraction form
    252,035.42/347,808.68 = 138,858.17/x
  3. Step 3: Cross multiply
    252,035.42x = 347,808.68 × 138,858.17
  4. Step 4: Simplify right side
    252,035.42x = 48,296,075,683.38
  5. Step 5: Solve for x
    x = 48,296,075,683.38/252,035.42
  6. Step 6: Final answer
    x = 191,624.16

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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.