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Finding the Fourth Proportional to 73,756.95, 110,551.80 and 64,855.11

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Solution

The fourth proportional to 73,756.95, 110,551.80 and 64,855.11 is: 97,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,756.95 : 110,551.80 = 64,855.11 : x
  2. Step 2: Convert to fraction form
    73,756.95/110,551.80 = 64,855.11/x
  3. Step 3: Cross multiply
    73,756.95x = 110,551.80 × 64,855.11
  4. Step 4: Simplify right side
    73,756.95x = 7,169,849,149.70
  5. Step 5: Solve for x
    x = 7,169,849,149.70/73,756.95
  6. Step 6: Final answer
    x = 97,209.13

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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.