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Finding the Fourth Proportional to 252,737.69, 348,783.90 and 138,017.13

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Solution

The fourth proportional to 252,737.69, 348,783.90 and 138,017.13 is: 190,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,737.69 : 348,783.90 = 138,017.13 : x
  2. Step 2: Convert to fraction form
    252,737.69/348,783.90 = 138,017.13/x
  3. Step 3: Cross multiply
    252,737.69x = 348,783.90 × 138,017.13
  4. Step 4: Simplify right side
    252,737.69x = 48,138,151,921.35
  5. Step 5: Solve for x
    x = 48,138,151,921.35/252,737.69
  6. Step 6: Final answer
    x = 190,466.85

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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.