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Finding the Fourth Proportional to 161,307.96, 241,488.78 and 113,109.45

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Solution

The fourth proportional to 161,307.96, 241,488.78 and 113,109.45 is: 169,332.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,307.96 : 241,488.78 = 113,109.45 : x
  2. Step 2: Convert to fraction form
    161,307.96/241,488.78 = 113,109.45/x
  3. Step 3: Cross multiply
    161,307.96x = 241,488.78 × 113,109.45
  4. Step 4: Simplify right side
    161,307.96x = 27,314,663,086.97
  5. Step 5: Solve for x
    x = 27,314,663,086.97/161,307.96
  6. Step 6: Final answer
    x = 169,332.39

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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.