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Finding the Fourth Proportional to 171,480, 236,642.52 and 96,030.24

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Solution

The fourth proportional to 171,480, 236,642.52 and 96,030.24 is: 132,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,480 : 236,642.52 = 96,030.24 : x
  2. Step 2: Convert to fraction form
    171,480/236,642.52 = 96,030.24/x
  3. Step 3: Cross multiply
    171,480x = 236,642.52 × 96,030.24
  4. Step 4: Simplify right side
    171,480x = 22,724,837,989.80
  5. Step 5: Solve for x
    x = 22,724,837,989.80/171,480
  6. Step 6: Final answer
    x = 132,521.80

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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.