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Finding the Fourth Proportional to 178,002.90, 248,737.50 and 178,002.90

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Solution

The fourth proportional to 178,002.90, 248,737.50 and 178,002.90 is: 248,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,002.90 : 248,737.50 = 178,002.90 : x
  2. Step 2: Convert to fraction form
    178,002.90/248,737.50 = 178,002.90/x
  3. Step 3: Cross multiply
    178,002.90x = 248,737.50 × 178,002.90
  4. Step 4: Simplify right side
    178,002.90x = 44,275,996,338.75
  5. Step 5: Solve for x
    x = 44,275,996,338.75/178,002.90
  6. Step 6: Final answer
    x = 248,737.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.