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Finding the Fourth Proportional to 99,157.36, 148,787.04 and 65,900.32

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Solution

The fourth proportional to 99,157.36, 148,787.04 and 65,900.32 is: 98,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,157.36 : 148,787.04 = 65,900.32 : x
  2. Step 2: Convert to fraction form
    99,157.36/148,787.04 = 65,900.32/x
  3. Step 3: Cross multiply
    99,157.36x = 148,787.04 × 65,900.32
  4. Step 4: Simplify right side
    99,157.36x = 9,805,113,547.85
  5. Step 5: Solve for x
    x = 9,805,113,547.85/99,157.36
  6. Step 6: Final answer
    x = 98,884.37

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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.