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Finding the Fourth Proportional to 121,112.40, 181,595.70 and 62,063.40

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Solution

The fourth proportional to 121,112.40, 181,595.70 and 62,063.40 is: 93,057.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,112.40 : 181,595.70 = 62,063.40 : x
  2. Step 2: Convert to fraction form
    121,112.40/181,595.70 = 62,063.40/x
  3. Step 3: Cross multiply
    121,112.40x = 181,595.70 × 62,063.40
  4. Step 4: Simplify right side
    121,112.40x = 11,270,446,567.38
  5. Step 5: Solve for x
    x = 11,270,446,567.38/121,112.40
  6. Step 6: Final answer
    x = 93,057.74

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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.