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Finding the Fourth Proportional to 134,318, 201,475.80 and 50,075.30

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Solution

The fourth proportional to 134,318, 201,475.80 and 50,075.30 is: 75,112.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,318 : 201,475.80 = 50,075.30 : x
  2. Step 2: Convert to fraction form
    134,318/201,475.80 = 50,075.30/x
  3. Step 3: Cross multiply
    134,318x = 201,475.80 × 50,075.30
  4. Step 4: Simplify right side
    134,318x = 10,088,961,127.74
  5. Step 5: Solve for x
    x = 10,088,961,127.74/134,318
  6. Step 6: Final answer
    x = 75,112.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.