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Finding the Fourth Proportional to 232,703, 349,054.50 and 74,947.40

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Solution

The fourth proportional to 232,703, 349,054.50 and 74,947.40 is: 112,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,703 : 349,054.50 = 74,947.40 : x
  2. Step 2: Convert to fraction form
    232,703/349,054.50 = 74,947.40/x
  3. Step 3: Cross multiply
    232,703x = 349,054.50 × 74,947.40
  4. Step 4: Simplify right side
    232,703x = 26,160,727,233.30
  5. Step 5: Solve for x
    x = 26,160,727,233.30/232,703
  6. Step 6: Final answer
    x = 112,421.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.