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Finding the Fourth Proportional to 111,211.77, 153,472.66 and 60,224.53

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Solution

The fourth proportional to 111,211.77, 153,472.66 and 60,224.53 is: 83,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,211.77 : 153,472.66 = 60,224.53 : x
  2. Step 2: Convert to fraction form
    111,211.77/153,472.66 = 60,224.53/x
  3. Step 3: Cross multiply
    111,211.77x = 153,472.66 × 60,224.53
  4. Step 4: Simplify right side
    111,211.77x = 9,242,818,816.35
  5. Step 5: Solve for x
    x = 9,242,818,816.35/111,211.77
  6. Step 6: Final answer
    x = 83,110.08

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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.