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Finding the Fourth Proportional to 216,477.76, 298,802.28 and 125,874.40

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Solution

The fourth proportional to 216,477.76, 298,802.28 and 125,874.40 is: 173,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,477.76 : 298,802.28 = 125,874.40 : x
  2. Step 2: Convert to fraction form
    216,477.76/298,802.28 = 125,874.40/x
  3. Step 3: Cross multiply
    216,477.76x = 298,802.28 × 125,874.40
  4. Step 4: Simplify right side
    216,477.76x = 37,611,557,713.63
  5. Step 5: Solve for x
    x = 37,611,557,713.63/216,477.76
  6. Step 6: Final answer
    x = 173,743.29

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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.