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Finding the Fourth Proportional to 207,555.54, 286,448.22 and 127,036.68

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Solution

The fourth proportional to 207,555.54, 286,448.22 and 127,036.68 is: 175,323.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,555.54 : 286,448.22 = 127,036.68 : x
  2. Step 2: Convert to fraction form
    207,555.54/286,448.22 = 127,036.68/x
  3. Step 3: Cross multiply
    207,555.54x = 286,448.22 × 127,036.68
  4. Step 4: Simplify right side
    207,555.54x = 36,389,430,860.71
  5. Step 5: Solve for x
    x = 36,389,430,860.71/207,555.54
  6. Step 6: Final answer
    x = 175,323.82

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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.