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Finding the Fourth Proportional to 173,681.76, 239,693.72 and 97,208.52

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Solution

The fourth proportional to 173,681.76, 239,693.72 and 97,208.52 is: 134,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,681.76 : 239,693.72 = 97,208.52 : x
  2. Step 2: Convert to fraction form
    173,681.76/239,693.72 = 97,208.52/x
  3. Step 3: Cross multiply
    173,681.76x = 239,693.72 × 97,208.52
  4. Step 4: Simplify right side
    173,681.76x = 23,300,271,774.49
  5. Step 5: Solve for x
    x = 23,300,271,774.49/173,681.76
  6. Step 6: Final answer
    x = 134,154.97

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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.