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Finding the Fourth Proportional to 232,488.01, 348,790.74 and 66,276.01

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Solution

The fourth proportional to 232,488.01, 348,790.74 and 66,276.01 is: 99,430.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,488.01 : 348,790.74 = 66,276.01 : x
  2. Step 2: Convert to fraction form
    232,488.01/348,790.74 = 66,276.01/x
  3. Step 3: Cross multiply
    232,488.01x = 348,790.74 × 66,276.01
  4. Step 4: Simplify right side
    232,488.01x = 23,116,458,572.15
  5. Step 5: Solve for x
    x = 23,116,458,572.15/232,488.01
  6. Step 6: Final answer
    x = 99,430.76

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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.