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Finding the Fourth Proportional to 232,437.72, 348,804.06 and 99,319

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Solution

The fourth proportional to 232,437.72, 348,804.06 and 99,319 is: 149,041.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,437.72 : 348,804.06 = 99,319 : x
  2. Step 2: Convert to fraction form
    232,437.72/348,804.06 = 99,319/x
  3. Step 3: Cross multiply
    232,437.72x = 348,804.06 × 99,319
  4. Step 4: Simplify right side
    232,437.72x = 34,642,870,435.14
  5. Step 5: Solve for x
    x = 34,642,870,435.14/232,437.72
  6. Step 6: Final answer
    x = 149,041.52

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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.