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Finding the Fourth Proportional to 261,140.66, 360,484.36 and 176,372.54

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Solution

The fourth proportional to 261,140.66, 360,484.36 and 176,372.54 is: 243,468.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,140.66 : 360,484.36 = 176,372.54 : x
  2. Step 2: Convert to fraction form
    261,140.66/360,484.36 = 176,372.54/x
  3. Step 3: Cross multiply
    261,140.66x = 360,484.36 × 176,372.54
  4. Step 4: Simplify right side
    261,140.66x = 63,579,542,203.47
  5. Step 5: Solve for x
    x = 63,579,542,203.47/261,140.66
  6. Step 6: Final answer
    x = 243,468.57

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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.