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Finding the Fourth Proportional to 144,657.43, 199,650.91 and 86,510.37

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Solution

The fourth proportional to 144,657.43, 199,650.91 and 86,510.37 is: 119,398.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,657.43 : 199,650.91 = 86,510.37 : x
  2. Step 2: Convert to fraction form
    144,657.43/199,650.91 = 86,510.37/x
  3. Step 3: Cross multiply
    144,657.43x = 199,650.91 × 86,510.37
  4. Step 4: Simplify right side
    144,657.43x = 17,271,874,094.94
  5. Step 5: Solve for x
    x = 17,271,874,094.94/144,657.43
  6. Step 6: Final answer
    x = 119,398.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.