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Finding the Fourth Proportional to 223,044.75, 307,798.11 and 127,548.18

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Solution

The fourth proportional to 223,044.75, 307,798.11 and 127,548.18 is: 176,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,044.75 : 307,798.11 = 127,548.18 : x
  2. Step 2: Convert to fraction form
    223,044.75/307,798.11 = 127,548.18/x
  3. Step 3: Cross multiply
    223,044.75x = 307,798.11 × 127,548.18
  4. Step 4: Simplify right side
    223,044.75x = 39,259,088,737.94
  5. Step 5: Solve for x
    x = 39,259,088,737.94/223,044.75
  6. Step 6: Final answer
    x = 176,014.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.