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Finding the Fourth Proportional to 210,037.98, 314,962.20 and 60,243.90

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Solution

The fourth proportional to 210,037.98, 314,962.20 and 60,243.90 is: 90,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,037.98 : 314,962.20 = 60,243.90 : x
  2. Step 2: Convert to fraction form
    210,037.98/314,962.20 = 60,243.90/x
  3. Step 3: Cross multiply
    210,037.98x = 314,962.20 × 60,243.90
  4. Step 4: Simplify right side
    210,037.98x = 18,974,551,280.58
  5. Step 5: Solve for x
    x = 18,974,551,280.58/210,037.98
  6. Step 6: Final answer
    x = 90,338.67

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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.