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Finding the Fourth Proportional to 152,423.64, 228,558.51 and 89,263.89

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Solution

The fourth proportional to 152,423.64, 228,558.51 and 89,263.89 is: 133,850.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,423.64 : 228,558.51 = 89,263.89 : x
  2. Step 2: Convert to fraction form
    152,423.64/228,558.51 = 89,263.89/x
  3. Step 3: Cross multiply
    152,423.64x = 228,558.51 × 89,263.89
  4. Step 4: Simplify right side
    152,423.64x = 20,402,021,695.20
  5. Step 5: Solve for x
    x = 20,402,021,695.20/152,423.64
  6. Step 6: Final answer
    x = 133,850.77

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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.