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Finding the Fourth Proportional to 158,265.78, 237,234.63 and 98,965.32

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Solution

The fourth proportional to 158,265.78, 237,234.63 and 98,965.32 is: 148,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,265.78 : 237,234.63 = 98,965.32 : x
  2. Step 2: Convert to fraction form
    158,265.78/237,234.63 = 98,965.32/x
  3. Step 3: Cross multiply
    158,265.78x = 237,234.63 × 98,965.32
  4. Step 4: Simplify right side
    158,265.78x = 23,478,001,073.03
  5. Step 5: Solve for x
    x = 23,478,001,073.03/158,265.78
  6. Step 6: Final answer
    x = 148,345.40

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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.