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Finding the Fourth Proportional to 158,490.32, 237,735.48 and 65,040.08

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Solution

The fourth proportional to 158,490.32, 237,735.48 and 65,040.08 is: 97,560.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,490.32 : 237,735.48 = 65,040.08 : x
  2. Step 2: Convert to fraction form
    158,490.32/237,735.48 = 65,040.08/x
  3. Step 3: Cross multiply
    158,490.32x = 237,735.48 × 65,040.08
  4. Step 4: Simplify right side
    158,490.32x = 15,462,334,638.04
  5. Step 5: Solve for x
    x = 15,462,334,638.04/158,490.32
  6. Step 6: Final answer
    x = 97,560.12

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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.