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Finding the Fourth Proportional to 210,089.96, 315,041.98 and 60,295.49

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Solution

The fourth proportional to 210,089.96, 315,041.98 and 60,295.49 is: 90,416.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,089.96 : 315,041.98 = 60,295.49 : x
  2. Step 2: Convert to fraction form
    210,089.96/315,041.98 = 60,295.49/x
  3. Step 3: Cross multiply
    210,089.96x = 315,041.98 × 60,295.49
  4. Step 4: Simplify right side
    210,089.96x = 18,995,610,554.67
  5. Step 5: Solve for x
    x = 18,995,610,554.67/210,089.96
  6. Step 6: Final answer
    x = 90,416.56

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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.