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Finding the Fourth Proportional to 236,059.98, 325,762.84 and 128,630.04

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Solution

The fourth proportional to 236,059.98, 325,762.84 and 128,630.04 is: 177,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,059.98 : 325,762.84 = 128,630.04 : x
  2. Step 2: Convert to fraction form
    236,059.98/325,762.84 = 128,630.04/x
  3. Step 3: Cross multiply
    236,059.98x = 325,762.84 × 128,630.04
  4. Step 4: Simplify right side
    236,059.98x = 41,902,887,139.71
  5. Step 5: Solve for x
    x = 41,902,887,139.71/236,059.98
  6. Step 6: Final answer
    x = 177,509.49

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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.