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Finding the Fourth Proportional to 210,350.75, 315,526.14 and 62,606.75

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Solution

The fourth proportional to 210,350.75, 315,526.14 and 62,606.75 is: 93,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,350.75 : 315,526.14 = 62,606.75 : x
  2. Step 2: Convert to fraction form
    210,350.75/315,526.14 = 62,606.75/x
  3. Step 3: Cross multiply
    210,350.75x = 315,526.14 × 62,606.75
  4. Step 4: Simplify right side
    210,350.75x = 19,754,066,165.45
  5. Step 5: Solve for x
    x = 19,754,066,165.45/210,350.75
  6. Step 6: Final answer
    x = 93,910.13

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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.