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Finding the Fourth Proportional to 236,095.83, 325,802.74 and 128,663.54

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Solution

The fourth proportional to 236,095.83, 325,802.74 and 128,663.54 is: 177,550.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,095.83 : 325,802.74 = 128,663.54 : x
  2. Step 2: Convert to fraction form
    236,095.83/325,802.74 = 128,663.54/x
  3. Step 3: Cross multiply
    236,095.83x = 325,802.74 × 128,663.54
  4. Step 4: Simplify right side
    236,095.83x = 41,918,932,733.93
  5. Step 5: Solve for x
    x = 41,918,932,733.93/236,095.83
  6. Step 6: Final answer
    x = 177,550.50

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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.