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Finding the Fourth Proportional to 207,774.38, 311,713.40 and 60,030.38

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Solution

The fourth proportional to 207,774.38, 311,713.40 and 60,030.38 is: 90,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,774.38 : 311,713.40 = 60,030.38 : x
  2. Step 2: Convert to fraction form
    207,774.38/311,713.40 = 60,030.38/x
  3. Step 3: Cross multiply
    207,774.38x = 311,713.40 × 60,030.38
  4. Step 4: Simplify right side
    207,774.38x = 18,712,272,444.60
  5. Step 5: Solve for x
    x = 18,712,272,444.60/207,774.38
  6. Step 6: Final answer
    x = 90,060.54

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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.