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Finding the Fourth Proportional to 232,385.76, 348,624 and 74,602.08

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Solution

The fourth proportional to 232,385.76, 348,624 and 74,602.08 is: 111,917.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,385.76 : 348,624 = 74,602.08 : x
  2. Step 2: Convert to fraction form
    232,385.76/348,624 = 74,602.08/x
  3. Step 3: Cross multiply
    232,385.76x = 348,624 × 74,602.08
  4. Step 4: Simplify right side
    232,385.76x = 26,008,075,537.92
  5. Step 5: Solve for x
    x = 26,008,075,537.92/232,385.76
  6. Step 6: Final answer
    x = 111,917.68

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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.