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Finding the Fourth Proportional to 236,792.16, 326,810.16 and 151,999.20

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Solution

The fourth proportional to 236,792.16, 326,810.16 and 151,999.20 is: 209,782.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,792.16 : 326,810.16 = 151,999.20 : x
  2. Step 2: Convert to fraction form
    236,792.16/326,810.16 = 151,999.20/x
  3. Step 3: Cross multiply
    236,792.16x = 326,810.16 × 151,999.20
  4. Step 4: Simplify right side
    236,792.16x = 49,674,882,871.87
  5. Step 5: Solve for x
    x = 49,674,882,871.87/236,792.16
  6. Step 6: Final answer
    x = 209,782.63

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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.