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Finding the Fourth Proportional to 111,225.94, 153,490.92 and 60,237.49

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Solution

The fourth proportional to 111,225.94, 153,490.92 and 60,237.49 is: 83,127.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,225.94 : 153,490.92 = 60,237.49 : x
  2. Step 2: Convert to fraction form
    111,225.94/153,490.92 = 60,237.49/x
  3. Step 3: Cross multiply
    111,225.94x = 153,490.92 × 60,237.49
  4. Step 4: Simplify right side
    111,225.94x = 9,245,907,436.77
  5. Step 5: Solve for x
    x = 9,245,907,436.77/111,225.94
  6. Step 6: Final answer
    x = 83,127.26

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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.