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Finding the Fourth Proportional to 207,483.60, 286,323.60 and 116,839.20

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Solution

The fourth proportional to 207,483.60, 286,323.60 and 116,839.20 is: 161,235.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,483.60 : 286,323.60 = 116,839.20 : x
  2. Step 2: Convert to fraction form
    207,483.60/286,323.60 = 116,839.20/x
  3. Step 3: Cross multiply
    207,483.60x = 286,323.60 × 116,839.20
  4. Step 4: Simplify right side
    207,483.60x = 33,453,820,365.12
  5. Step 5: Solve for x
    x = 33,453,820,365.12/207,483.60
  6. Step 6: Final answer
    x = 161,235.97

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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.