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Finding the Fourth Proportional to 157,665.70, 236,498.55 and 98,568.10

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Solution

The fourth proportional to 157,665.70, 236,498.55 and 98,568.10 is: 147,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,665.70 : 236,498.55 = 98,568.10 : x
  2. Step 2: Convert to fraction form
    157,665.70/236,498.55 = 98,568.10/x
  3. Step 3: Cross multiply
    157,665.70x = 236,498.55 × 98,568.10
  4. Step 4: Simplify right side
    157,665.70x = 23,311,212,726.26
  5. Step 5: Solve for x
    x = 23,311,212,726.26/157,665.70
  6. Step 6: Final answer
    x = 147,852.15

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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.