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Finding the Fourth Proportional to 101,999.81, 153,025.67 and 59,915.48

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Solution

The fourth proportional to 101,999.81, 153,025.67 and 59,915.48 is: 89,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,999.81 : 153,025.67 = 59,915.48 : x
  2. Step 2: Convert to fraction form
    101,999.81/153,025.67 = 59,915.48/x
  3. Step 3: Cross multiply
    101,999.81x = 153,025.67 × 59,915.48
  4. Step 4: Simplify right side
    101,999.81x = 9,168,605,405.67
  5. Step 5: Solve for x
    x = 9,168,605,405.67/101,999.81
  6. Step 6: Final answer
    x = 89,888.46

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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.