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Finding the Fourth Proportional to 152,465.52, 210,423.36 and 88,823.28

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Solution

The fourth proportional to 152,465.52, 210,423.36 and 88,823.28 is: 122,588.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,465.52 : 210,423.36 = 88,823.28 : x
  2. Step 2: Convert to fraction form
    152,465.52/210,423.36 = 88,823.28/x
  3. Step 3: Cross multiply
    152,465.52x = 210,423.36 × 88,823.28
  4. Step 4: Simplify right side
    152,465.52x = 18,690,493,023.82
  5. Step 5: Solve for x
    x = 18,690,493,023.82/152,465.52
  6. Step 6: Final answer
    x = 122,588.33

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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.