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Finding the Fourth Proportional to 405,166.08, 607,750.40 and 124,681.60

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Solution

The fourth proportional to 405,166.08, 607,750.40 and 124,681.60 is: 187,022.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,166.08 : 607,750.40 = 124,681.60 : x
  2. Step 2: Convert to fraction form
    405,166.08/607,750.40 = 124,681.60/x
  3. Step 3: Cross multiply
    405,166.08x = 607,750.40 × 124,681.60
  4. Step 4: Simplify right side
    405,166.08x = 75,775,292,272.64
  5. Step 5: Solve for x
    x = 75,775,292,272.64/405,166.08
  6. Step 6: Final answer
    x = 187,022.79

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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.