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Finding the Fourth Proportional to 175,535.60, 263,130.60 and 86,802.80

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Solution

The fourth proportional to 175,535.60, 263,130.60 and 86,802.80 is: 130,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,535.60 : 263,130.60 = 86,802.80 : x
  2. Step 2: Convert to fraction form
    175,535.60/263,130.60 = 86,802.80/x
  3. Step 3: Cross multiply
    175,535.60x = 263,130.60 × 86,802.80
  4. Step 4: Simplify right side
    175,535.60x = 22,840,472,845.68
  5. Step 5: Solve for x
    x = 22,840,472,845.68/175,535.60
  6. Step 6: Final answer
    x = 130,118.75

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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.