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Finding the Fourth Proportional to 174,346.54, 240,601.78 and 97,871.15

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Solution

The fourth proportional to 174,346.54, 240,601.78 and 97,871.15 is: 135,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,346.54 : 240,601.78 = 97,871.15 : x
  2. Step 2: Convert to fraction form
    174,346.54/240,601.78 = 97,871.15/x
  3. Step 3: Cross multiply
    174,346.54x = 240,601.78 × 97,871.15
  4. Step 4: Simplify right side
    174,346.54x = 23,547,971,208.28
  5. Step 5: Solve for x
    x = 23,547,971,208.28/174,346.54
  6. Step 6: Final answer
    x = 135,064.18

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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.