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Finding the Fourth Proportional to 175,903.25, 263,854.88 and 77,407.25

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Solution

The fourth proportional to 175,903.25, 263,854.88 and 77,407.25 is: 116,110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,903.25 : 263,854.88 = 77,407.25 : x
  2. Step 2: Convert to fraction form
    175,903.25/263,854.88 = 77,407.25/x
  3. Step 3: Cross multiply
    175,903.25x = 263,854.88 × 77,407.25
  4. Step 4: Simplify right side
    175,903.25x = 20,424,280,272.84
  5. Step 5: Solve for x
    x = 20,424,280,272.84/175,903.25
  6. Step 6: Final answer
    x = 116,110.88

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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.