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Finding the Fourth Proportional to 110,495.34, 152,500.95 and 65,178.41

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Solution

The fourth proportional to 110,495.34, 152,500.95 and 65,178.41 is: 89,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,495.34 : 152,500.95 = 65,178.41 : x
  2. Step 2: Convert to fraction form
    110,495.34/152,500.95 = 65,178.41/x
  3. Step 3: Cross multiply
    110,495.34x = 152,500.95 × 65,178.41
  4. Step 4: Simplify right side
    110,495.34x = 9,939,768,681.98
  5. Step 5: Solve for x
    x = 9,939,768,681.98/110,495.34
  6. Step 6: Final answer
    x = 89,956.45

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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.