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Finding the Fourth Proportional to 252,463.61, 348,420.60 and 143,602.04

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Solution

The fourth proportional to 252,463.61, 348,420.60 and 143,602.04 is: 198,182.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,463.61 : 348,420.60 = 143,602.04 : x
  2. Step 2: Convert to fraction form
    252,463.61/348,420.60 = 143,602.04/x
  3. Step 3: Cross multiply
    252,463.61x = 348,420.60 × 143,602.04
  4. Step 4: Simplify right side
    252,463.61x = 50,033,908,938.02
  5. Step 5: Solve for x
    x = 50,033,908,938.02/252,463.61
  6. Step 6: Final answer
    x = 198,182.66

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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.