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Finding the Fourth Proportional to 236,309.40, 354,140.10 and 151,810.20

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Solution

The fourth proportional to 236,309.40, 354,140.10 and 151,810.20 is: 227,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,309.40 : 354,140.10 = 151,810.20 : x
  2. Step 2: Convert to fraction form
    236,309.40/354,140.10 = 151,810.20/x
  3. Step 3: Cross multiply
    236,309.40x = 354,140.10 × 151,810.20
  4. Step 4: Simplify right side
    236,309.40x = 53,762,079,409.02
  5. Step 5: Solve for x
    x = 53,762,079,409.02/236,309.40
  6. Step 6: Final answer
    x = 227,507.16

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1.5x scale

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.