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Finding the Fourth Proportional to 153,606, 230,499.72 and 64,853.76

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Solution

The fourth proportional to 153,606, 230,499.72 and 64,853.76 is: 97,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,606 : 230,499.72 = 64,853.76 : x
  2. Step 2: Convert to fraction form
    153,606/230,499.72 = 64,853.76/x
  3. Step 3: Cross multiply
    153,606x = 230,499.72 × 64,853.76
  4. Step 4: Simplify right side
    153,606x = 14,948,773,520.95
  5. Step 5: Solve for x
    x = 14,948,773,520.95/153,606
  6. Step 6: Final answer
    x = 97,318.94

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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.