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Finding the Fourth Proportional to 229,810.96, 344,003.64 and 124,368.40

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Solution

The fourth proportional to 229,810.96, 344,003.64 and 124,368.40 is: 186,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,810.96 : 344,003.64 = 124,368.40 : x
  2. Step 2: Convert to fraction form
    229,810.96/344,003.64 = 124,368.40/x
  3. Step 3: Cross multiply
    229,810.96x = 344,003.64 × 124,368.40
  4. Step 4: Simplify right side
    229,810.96x = 42,783,182,300.98
  5. Step 5: Solve for x
    x = 42,783,182,300.98/229,810.96
  6. Step 6: Final answer
    x = 186,166.85

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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.