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Finding the Fourth Proportional to 228,502.02, 315,332.52 and 127,900.02

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Solution

The fourth proportional to 228,502.02, 315,332.52 and 127,900.02 is: 176,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,502.02 : 315,332.52 = 127,900.02 : x
  2. Step 2: Convert to fraction form
    228,502.02/315,332.52 = 127,900.02/x
  3. Step 3: Cross multiply
    228,502.02x = 315,332.52 × 127,900.02
  4. Step 4: Simplify right side
    228,502.02x = 40,331,035,614.65
  5. Step 5: Solve for x
    x = 40,331,035,614.65/228,502.02
  6. Step 6: Final answer
    x = 176,501.88

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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.