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Finding the Fourth Proportional to 99,595.65, 149,280.48 and 62,172.44

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Solution

The fourth proportional to 99,595.65, 149,280.48 and 62,172.44 is: 93,188.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,595.65 : 149,280.48 = 62,172.44 : x
  2. Step 2: Convert to fraction form
    99,595.65/149,280.48 = 62,172.44/x
  3. Step 3: Cross multiply
    99,595.65x = 149,280.48 × 62,172.44
  4. Step 4: Simplify right side
    99,595.65x = 9,281,130,939.57
  5. Step 5: Solve for x
    x = 9,281,130,939.57/99,595.65
  6. Step 6: Final answer
    x = 93,188.12

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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.