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Finding the Fourth Proportional to 156,623, 234,881.84 and 56,762.28

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Solution

The fourth proportional to 156,623, 234,881.84 and 56,762.28 is: 85,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,623 : 234,881.84 = 56,762.28 : x
  2. Step 2: Convert to fraction form
    156,623/234,881.84 = 56,762.28/x
  3. Step 3: Cross multiply
    156,623x = 234,881.84 × 56,762.28
  4. Step 4: Simplify right side
    156,623x = 13,332,428,769.00
  5. Step 5: Solve for x
    x = 13,332,428,769.00/156,623
  6. Step 6: Final answer
    x = 85,124.34

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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.