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Finding the Fourth Proportional to 111,088, 153,301.44 and 60,787

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Solution

The fourth proportional to 111,088, 153,301.44 and 60,787 is: 83,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,088 : 153,301.44 = 60,787 : x
  2. Step 2: Convert to fraction form
    111,088/153,301.44 = 60,787/x
  3. Step 3: Cross multiply
    111,088x = 153,301.44 × 60,787
  4. Step 4: Simplify right side
    111,088x = 9,318,734,633.28
  5. Step 5: Solve for x
    x = 9,318,734,633.28/111,088
  6. Step 6: Final answer
    x = 83,886.06

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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.