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Finding the Fourth Proportional to 111,151.38, 153,388.90 and 60,850.38

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Solution

The fourth proportional to 111,151.38, 153,388.90 and 60,850.38 is: 83,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,151.38 : 153,388.90 = 60,850.38 : x
  2. Step 2: Convert to fraction form
    111,151.38/153,388.90 = 60,850.38/x
  3. Step 3: Cross multiply
    111,151.38x = 153,388.90 × 60,850.38
  4. Step 4: Simplify right side
    111,151.38x = 9,333,772,852.78
  5. Step 5: Solve for x
    x = 9,333,772,852.78/111,151.38
  6. Step 6: Final answer
    x = 83,973.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.