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Finding the Fourth Proportional to 176,610, 243,721.80 and 97,122

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Solution

The fourth proportional to 176,610, 243,721.80 and 97,122 is: 134,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,610 : 243,721.80 = 97,122 : x
  2. Step 2: Convert to fraction form
    176,610/243,721.80 = 97,122/x
  3. Step 3: Cross multiply
    176,610x = 243,721.80 × 97,122
  4. Step 4: Simplify right side
    176,610x = 23,670,748,659.60
  5. Step 5: Solve for x
    x = 23,670,748,659.60/176,610
  6. Step 6: Final answer
    x = 134,028.36

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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.