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Finding the Fourth Proportional to 178,139.53, 267,184.59 and 45,011.59

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Solution

The fourth proportional to 178,139.53, 267,184.59 and 45,011.59 is: 67,511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,139.53 : 267,184.59 = 45,011.59 : x
  2. Step 2: Convert to fraction form
    178,139.53/267,184.59 = 45,011.59/x
  3. Step 3: Cross multiply
    178,139.53x = 267,184.59 × 45,011.59
  4. Step 4: Simplify right side
    178,139.53x = 12,026,403,219.40
  5. Step 5: Solve for x
    x = 12,026,403,219.40/178,139.53
  6. Step 6: Final answer
    x = 67,511.14

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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.