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Finding the Fourth Proportional to 176,712.32, 265,062.84 and 56,768.78

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Solution

The fourth proportional to 176,712.32, 265,062.84 and 56,768.78 is: 85,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,712.32 : 265,062.84 = 56,768.78 : x
  2. Step 2: Convert to fraction form
    176,712.32/265,062.84 = 56,768.78/x
  3. Step 3: Cross multiply
    176,712.32x = 265,062.84 × 56,768.78
  4. Step 4: Simplify right side
    176,712.32x = 15,047,294,909.19
  5. Step 5: Solve for x
    x = 15,047,294,909.19/176,712.32
  6. Step 6: Final answer
    x = 85,151.36

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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.