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Finding the Fourth Proportional to 113,641.49, 170,462.14 and 30,535.49

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Solution

The fourth proportional to 113,641.49, 170,462.14 and 30,535.49 is: 45,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,641.49 : 170,462.14 = 30,535.49 : x
  2. Step 2: Convert to fraction form
    113,641.49/170,462.14 = 30,535.49/x
  3. Step 3: Cross multiply
    113,641.49x = 170,462.14 × 30,535.49
  4. Step 4: Simplify right side
    113,641.49x = 5,205,144,971.35
  5. Step 5: Solve for x
    x = 5,205,144,971.35/113,641.49
  6. Step 6: Final answer
    x = 45,803.21

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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.