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Finding the Fourth Proportional to 174,424.15, 240,688.88 and 97,928.31

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Solution

The fourth proportional to 174,424.15, 240,688.88 and 97,928.31 is: 135,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,424.15 : 240,688.88 = 97,928.31 : x
  2. Step 2: Convert to fraction form
    174,424.15/240,688.88 = 97,928.31/x
  3. Step 3: Cross multiply
    174,424.15x = 240,688.88 × 97,928.31
  4. Step 4: Simplify right side
    174,424.15x = 23,570,253,711.54
  5. Step 5: Solve for x
    x = 23,570,253,711.54/174,424.15
  6. Step 6: Final answer
    x = 135,131.82

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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.