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Finding the Fourth Proportional to 178,259.88, 267,390.42 and 45,140.06

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Solution

The fourth proportional to 178,259.88, 267,390.42 and 45,140.06 is: 67,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,259.88 : 267,390.42 = 45,140.06 : x
  2. Step 2: Convert to fraction form
    178,259.88/267,390.42 = 45,140.06/x
  3. Step 3: Cross multiply
    178,259.88x = 267,390.42 × 45,140.06
  4. Step 4: Simplify right side
    178,259.88x = 12,070,019,602.23
  5. Step 5: Solve for x
    x = 12,070,019,602.23/178,259.88
  6. Step 6: Final answer
    x = 67,710.24

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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.