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Finding the Fourth Proportional to 176,580, 243,680.40 and 101,133.36

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Solution

The fourth proportional to 176,580, 243,680.40 and 101,133.36 is: 139,564.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,580 : 243,680.40 = 101,133.36 : x
  2. Step 2: Convert to fraction form
    176,580/243,680.40 = 101,133.36/x
  3. Step 3: Cross multiply
    176,580x = 243,680.40 × 101,133.36
  4. Step 4: Simplify right side
    176,580x = 24,644,217,618.14
  5. Step 5: Solve for x
    x = 24,644,217,618.14/176,580
  6. Step 6: Final answer
    x = 139,564.04

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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.