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Finding the Fourth Proportional to 252,544.54, 348,518.81 and 137,830.55

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Solution

The fourth proportional to 252,544.54, 348,518.81 and 137,830.55 is: 190,210.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,544.54 : 348,518.81 = 137,830.55 : x
  2. Step 2: Convert to fraction form
    252,544.54/348,518.81 = 137,830.55/x
  3. Step 3: Cross multiply
    252,544.54x = 348,518.81 × 137,830.55
  4. Step 4: Simplify right side
    252,544.54x = 48,036,540,746.88
  5. Step 5: Solve for x
    x = 48,036,540,746.88/252,544.54
  6. Step 6: Final answer
    x = 190,210.17

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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.