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Finding the Fourth Proportional to 178,166.36, 245,873.54 and 101,683.94

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Solution

The fourth proportional to 178,166.36, 245,873.54 and 101,683.94 is: 140,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,166.36 : 245,873.54 = 101,683.94 : x
  2. Step 2: Convert to fraction form
    178,166.36/245,873.54 = 101,683.94/x
  3. Step 3: Cross multiply
    178,166.36x = 245,873.54 × 101,683.94
  4. Step 4: Simplify right side
    178,166.36x = 25,001,390,288.95
  5. Step 5: Solve for x
    x = 25,001,390,288.95/178,166.36
  6. Step 6: Final answer
    x = 140,326.10

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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.