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Finding the Fourth Proportional to 178,075.67, 267,127.38 and 51,717.98

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Solution

The fourth proportional to 178,075.67, 267,127.38 and 51,717.98 is: 77,580.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,075.67 : 267,127.38 = 51,717.98 : x
  2. Step 2: Convert to fraction form
    178,075.67/267,127.38 = 51,717.98/x
  3. Step 3: Cross multiply
    178,075.67x = 267,127.38 × 51,717.98
  4. Step 4: Simplify right side
    178,075.67x = 13,815,287,160.66
  5. Step 5: Solve for x
    x = 13,815,287,160.66/178,075.67
  6. Step 6: Final answer
    x = 77,580.99

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1.5x scale

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.