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Finding the Fourth Proportional to 174,130.72, 239,963.52 and 117,443.68

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Solution

The fourth proportional to 174,130.72, 239,963.52 and 117,443.68 is: 161,845.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,130.72 : 239,963.52 = 117,443.68 : x
  2. Step 2: Convert to fraction form
    174,130.72/239,963.52 = 117,443.68/x
  3. Step 3: Cross multiply
    174,130.72x = 239,963.52 × 117,443.68
  4. Step 4: Simplify right side
    174,130.72x = 28,182,198,854.55
  5. Step 5: Solve for x
    x = 28,182,198,854.55/174,130.72
  6. Step 6: Final answer
    x = 161,845.07

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1.5x scale

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.