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Finding the Fourth Proportional to 265,894.51, 398,755.47 and 88,353.87

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Solution

The fourth proportional to 265,894.51, 398,755.47 and 88,353.87 is: 132,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,894.51 : 398,755.47 = 88,353.87 : x
  2. Step 2: Convert to fraction form
    265,894.51/398,755.47 = 88,353.87/x
  3. Step 3: Cross multiply
    265,894.51x = 398,755.47 × 88,353.87
  4. Step 4: Simplify right side
    265,894.51x = 35,231,588,516.40
  5. Step 5: Solve for x
    x = 35,231,588,516.40/265,894.51
  6. Step 6: Final answer
    x = 132,502.13

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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.